Mineral Specimens - page 12
Brazil

TX47L7: Complex growth with multiple dissolution structures, but nevertheless with excellent transparency, brilliance and intense blue color with slight greenish tones.
This specimen is accompanied by the label of the Wendy and Frank Melanson collection, from Canada. We will send the label to the buyer.
Itatiaia Mine, Itatiaia, Conselheiro Pena, Minas Gerais  Brazil (±2004)

Specimen size: 5.8 × 4 × 2.7 cm

EE66L7: Doubly terminated Aquamarine crystal showing two different terminations. One of them with very curious rounded dissolution forms and the opposite has pyramid terminations. The prism faces are very rich in growth pits. Excellent transparency, good color and brilliance make this specimen a very interesting one.
Pica Pau, Padre Paraiso, Minas Gerais  Brazil (2007)

Specimen size: 5.1 × 0.7 × 0.6 cm

EB97L7: Doubly terminated crystal with very different terminations. One of them is very acute with curious dissolution curved forms; the opposite is totally flat with a clear color zoning. The prism faces are very rich in growth forms and pits. Excellent transparency, good color and brilliance.
Pica Pau, Padre Paraiso, Minas Gerais  Brazil (2007)

Specimen size: 7.8 × 0.8 × 0.5 cm

MF97L7: Excellent specimen, both its size and the excellent state of preservation. Doubly terminated crystal with very different terminations. One of them is very acute with multiple pyramid faces showing curious dissolution curved forms; the opposite is flat deliniated by small pyramid faces crossed by pinacoid planes. Excellent transparency, good color and brilliance make this specimen a very exceptional one.
Pica Pau, Padre Paraiso, Minas Gerais  Brazil (2007)

Specimen size: 15.3 × 1.3 × 1.1 cm

TC27K9: Two doubly terminated crystals with parallel growth. Both core crystals are hollow showing dissolution channels within them, but preserving the terminal faces.
Medina, Minas Gerais  Brazil

Specimen size: 8.4 × 1.8 × 1.1 cm

EC99K6: Group of Aquamarine crystals of good color with an unusual morphology; clear curvatures of the prism faces, and terminated by a small pyramid. On Albite matrix with Muscovite.
Mimoso do Sul, Espirito Santo  Brazil (±1990)

Specimen size: 4.8 × 4.1 × 3.9 cm

Main crystal size: 3.4 × 1.1 cm

ED47K6: Doubly terminated crystal. One of the two terminations, very curious, is formed by a very acute re-growth of the pyramid faces.
Pica Pau, Padre Paraiso, Minas Gerais  Brazil (2007)

Specimen size: 6.5 × 0.7 × 0.5 cm

EC68K6: Doubly terminated crystal with very different terminations. One of them is formed by the faces, with very well marked curvature, of a very acute pyramid; the opposite is multiple and has forms and channels of dissolution.
Pica Pau, Padre Paraiso, Minas Gerais  Brazil (2007)

Specimen size: 6.8 × 1.2 × 1 cm

MA10J0: A parallel growth of two prismatic crystals with quite acute and very well defined pyramidal terminations. Color, luster and transparency are excellent. A small bit of Albite matrix appears at the base.
We especially like this specimen.
Catuji, Teofilo Otoni, Minas Gerais  Brazil (±2005)

Specimen size: 5.3 × 2.4 × 2.1 cm

TD69J7: Doubly terminated prismatic crystal, transparent and of an good color. The main termination is very rich in pyramidal faces, combined with the flat pinacoidal face. The other termination is more complex and it is partially hidden by a second crystal, smaller and with abundant faces of dissolution.
Pancas, Espirito Santo, Minas Gerais  Brazil (2005)

Specimen size: 7.2 × 2.6 × 3 cm

TG16C5: Floater, complete in all sides, different with its etched faces but nevertheless with a good form. An old classic.
Jaqueto, Bahía  Brazil

Specimen size: 9.5 × 2.5 × 2 cm

MR67I8: Very well-defined prismatic crystal with small pyramidal faces and the flat termination of the pinacoid. In its core there are a lot dissolution channels with very visible bubbles.
Colatina, Espirito Santo  Brazil (±1970)

Specimen size: 6.1 × 1.5 × 1.1 cm

TC17G1: Two prismatic crystals with well-defined faces and edges, of very good color, on a small matrix of Albite. On the tips there is very clear zonation of color, going to near colorless. Very esthetic.
Xanda Mine, Virgem da Lapa, Minas Gerais  Brazil (2005)

Specimen size: 3.3 × 2.3 × 1.2 cm

Main crystal size: 3.1 × 0.8 cm

MA51J8: Curious group of crystals with dissolution forms that partially mask a large number of very well defined faces. Its color, transparency and, especially the luster are excellent.
Corrego do Urucum, Galiléia, Minas Gerais  Brazil (±2000)

Specimen size: 5.1 × 3.1 × 3.4 cm

MB37L7: Group of small but well defined Huréaulite crystals. Excellent color and brilliance, with some small black green globular slag-like Rockbridgeite growths. On a blue Strengite-rich matrix.
Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais  Brazil (08-09/2006)

Specimen size: 9.3 × 5.4 × 5.2 cm

Main crystal size: 0.2 × 0.1 cm

MB16K9: Very well defined aerial Huréaulite crystals. Acute terminations and excellent brilliance and deep pink color. On the base there is a growth of crystaline Strengite. As we usually do with rare species, we will send a copy of the analysis to the buyer.
Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais  Brazil (08-09/2006)

Specimen size: 6.7 × 4.4 × 2.3 cm

Main crystal size: 0.4 × 0.2 cm

MX56K9: Very well defined, bright prismatic deep pink color Huréaulite crystals. On the left side you can see a group of brown Reddingite crystals. On a rich Muscovite matrix and parallel fibrous aggregates of Rockbridgeite. As we usually do with rare species, we will send a copy of the analysis to the buyer.
Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais  Brazil (08-09/2006)

Specimen size: 9 × 5.5 × 3.8 cm

Main crystal size: 0.5 × 0.3 cm

ME62I8: Group of short prismatic crystals, of excellent color, bright and partially covered by small black crystals of Rockbridgeite.
Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais  Brazil (08-09/2006)

Specimen size: 6.2 × 2.8 × 2.2 cm

Main crystal size: 0.7 × 0.2 cm

MK26I8: Nice miniature, very aerial and esthetic, that forms a group of short prismatic crystals of excellent color, bright and partially covered by small black crystals of Rockbridgeite.
Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais  Brazil (08-09/2006)

Specimen size: 3.1 × 2.4 × 2.7 cm

Main crystal size: 0.5 × 0.3 cm

MF76I8: Group on matrix of short prismatic crystals of excellent color. They are bright and partially covered by small black crystals of Rockbridgeite and brownish crystals of Reddingite.
Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais  Brazil (08-09/2006)

Specimen size: 5.3 × 3.9 × 2.7 cm

Main crystal size: 0.5 × 0.3 cm

MA37I5: Very well defined bright crystals, between translucent and transparent and having an exceptional color, that have grown on a base of crystalline, very deep blue, Strengite.
Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais  Brazil (08-09/2006)

Specimen size: 7.5 × 7 × 3.8 cm

Main crystal size: 0.7 × 0.3 cm

TE95H9: Group of quite well defined crystals, deep pink, on a matrix of Quartz partially covered by botryoidal deep green, almost black, Rockbridgeite.
Pomarolli, Linópolis, Minas Gerais  Brazil (2006)

Specimen size: 9 × 7 × 5 cm

MR96L7: A doubly terminated Elbaite crystal with multiple striations parallel to the main axis, and dissolution forms. One of the terminations is not evident but the opposite is multiple and has been modified by dissolution structures. Good transparency and we would like to emphasize the slight color gradation between reddish tones to greenish blue along the crystal.
Barra de Salinas, Coronel Murta, Minas Gerais  Brazil (±1990)

Specimen size: 10.7 × 2.5 × 2.2 cm

HK36K9: Parallel growth of very flat crystals that becomes clearly fibrous on the back side, with silky luster and goleen to greenish reflections.
Minas Gerais  Brazil

Specimen size: 8.2 × 4.2 × 1.8 cm

TK67J5: Group of two prismatic crystals, one of them doubly terminated and having one of the terminations unusually acute for the species. The color is very deep and its transparency is very good.
Pirineus Mine, Taquaral, Minas Gerais  Brazil

Specimen size: 5.9 × 1.3 × 0.7 cm

Main crystal size: 5.2 × 0.6 cm

HA37K8: Group of well defined and excellent colored crystals with varied terminations. Some of them are completely flat, others with rhombohedral faces and another with dissolution forms or contacts. The color is very intense, typical from this famous and classic Rubellite locality.
Jonas Mine, Itatiaia, Conselheiro Pena, Minas Gerais  Brazil

Specimen size: 13.1 × 7.3 × 3 cm

TB17J8: Group of curious aspect which consists of very short prisms and dominant triangular terminal faces, forming a parallel growth. The color is exceptionally intense.
Coronel Murta, Minas Gerais  Brazil (2007)

Specimen size: 5.1 × 3.6 × 3.2 cm

TM49K1: The crystal has an excellent, deep and very uniform color and extraordinary transparency. Its termination, very rich in faces, has a small coverage of an unidentified silicate.
Barra de Salinas, Coronel Murta, Minas Gerais  Brazil (2006)

Specimen size: 7.4 × 1 × 0.8 cm

TJ36J7: Doubly terminated prismatic crystal with a flat termination, formed by the pedion while the other termination is pyramidal and multiple. The crystal, with a neat reddish zonation of color, is on a small matrix of Lepidolite.
Cruzeiro Mine, Santa Maria do Suaçui, Minas Gerais  Brazil

Specimen size: 4.3 × 1.5 × 1.5 cm

Main crystal size: 4.3 × 1.3 cm

TE37J3: Prismatic crystal of very well defined faces and edges, both on the prism and on the pinacoidal termination. The crystal has a rich blue-green color and a considerable transparency (under intense light) and it is partially covered by Lepidolite and Quartz crystals.
Cruzeiro Mine, Santa Maria do Suaçui, Minas Gerais  Brazil

Specimen size: 5.6 × 2.3 × 2.7 cm

Main crystal size: 5.6 × 1.6 cm

TV47H5: Classic prismatic crystal from Pederneira terminated wit three faces of a very acute rhombohedron. Color is very deep and the transparency is excellent. The esthetic equilibrium is due to the coverage of Muscovite on the right side of the sample.
Pederneira Mine, Minas Gerais  Brazil (2006)

Specimen size: 5.8 × 2.5 × 1.4 cm

TV77E4: A number of Elbaite (Rubellite) crystals with Albite and sprays of Lepidolite as well. So overall it looks like a matrix specimen. The Elbaites have good transparency and are bi-colored: red and green. The upper ends are terminated and the lower ends recrystallized. A very pleasing specimen.
Pederneira Mine, Minas Gerais  Brazil (1999)

Specimen size: 6 × 4.5 × 3 cm

Main crystal size: 5.8 × 1.1 cm

TZ86H3: Group of prismatic crystals, clear green and partially covered by Calcite. Some of them are partially empty, as tubes, while others have a deeper green fibrous core.
Virgem da Lapa, Minas Gerais  Brazil (2006)

Specimen size: 5 × 4.8 × 2.8 cm

TF86H3: Prismatic crystals, one of them dominant, with color zones mainly red and pink (Rubellite), on a matrix of very sharp prismatic crystals of Lepidolite.
Barra de Salinas, Minas Gerais  Brazil (2004-2006)

Specimen size: 4.8 × 4.8 × 3.8 cm

Main crystal size: 3.5 × 0.8 cm

TA77H3: A curious and interesting sample not easy to define. A close study reveals a multiple prismatic growth forming a scepter. Color is very deep and luster is very good.
Coronel Murta, Minas Gerais  Brazil (2006)

Specimen size: 4.1 × 3.6 × 2.5 cm

TF96J5: Group of curious aspect because it is formed by very short prisms in which the triangular terminal form is dominant. Its color is very intense.
Coronel Murta, Minas Gerais  Brazil (2007)

Specimen size: 3.8 × 3.4 × 1.4 cm

T22AB1: Complete at the base (recrystallized) with sharp edges at the top and pretty gemmy. Very nice!
Cruzeiro Mine, Minas Gerais  Brazil

Specimen size: 4.8 × 1.5 × 1.1 cm

TL27J1: Elbaite scepters from Barra de Salinas are familiar to collectors all over the world. This specimen is especially neat, with a perfect acute termination and very intense transparency, color and luster contrasting with the pink (also deep) at the base of the scepter.
Barra de Salinas Mine, Coronel Murta, Minas Gerais  Brazil (1994)

Specimen size: 4.9 × 0.7 × 0.6 cm

TJ47D8: This one takes the first prize in originality. Not only is the main crystal gemmy, in its upper region there is another scepter crystal that crosses the first. All of them are doubly terminated, undamaged and floaters. The best of this unique find.
Barra de Salinas, Coronel Murta, Minas Gerais  Brazil (1994)

Specimen size: 4 × 1.9 × 1.3 cm

TX7B6: As you can see in the photo the color varies between red-yellow-green. The dominant color is a reddish color and the crystal is totally gemmy. The crystal is not complete at the bottom but its tip is perfect.

Baixao Mine, Taquaral, Minas Gerais  Brazil (2001)

Specimen size: 3.2 × 0.7 × 0.5 cm

TB8B6: As you can see in the photo the color varies between red-yellow-green. The dominant color is a greenish yellow color and the crystal is totally gemmy. The crystal is not complete at the bottom but its tip is perfect.
Baixao Mine, Taquaral, Minas Gerais  Brazil (2001)

Specimen size: 4 × 1 × 1 cm

TA9B6: As you can see in the photo the color varies between red-yellow-green. The dominant color is a greenish yellow color and the crystal is totally gemmy. The crystal is not complete at the bottom but its tip is perfect.
Baixao Mine, Taquaral, Minas Gerais  Brazil (2001)

Specimen size: 3.7 × 0.9 × 0.8 cm

TW49L7: Excellent twinned crystal of this rare lithium phosphate. Very transparent and intense yellow color, with well defined faces and edges and excellent brilliance, that makes clear the twin plane.
This specimen is accompanied by the label of the Wendy and Frank Melanson collection, from Canada. We will send the label to the buyer.
Marcel Telirio Mine, Divino das Laranjeiras, Minas Gerais  Brazil (±2001)

Specimen size: 4.3 × 2.3 × 0.6 cm

TC12J7: The specimen is rich in pseudo-octahedral crystals of very well defined and bright faces and edges, that contrast with the white Albite matrix and the darker shades of the small leafy groups of Muscovite.
Jenipapo, Itinga, Araçuaí, Minas Gerais  Brazil (2002-2003)

Specimen size: 3.1 × 2.3 × 1.5 cm

Main crystal size: 0.1 × 0.1 cm

TD27H4: The specimen is fully rich with creamy, pseudo-octahedral crystals that have very sharp and bright faces and edges in contrast with white Albite and the darker, leafy crystals of Muscovite.
Jenipapo, Itinga, Minas Gerais  Brazil (2002-2003)

Specimen size: 8.3 × 5.2 × 3.8 cm

Main crystal size: 0.1 × 0.1 cm

TZ87J0: Groups of small crystals of very well defined faces and edges and excellent intense yellow color, on a group of laminar crystals of Albite and with small sheets of Mica (probably Muscovite).
Jenipapo, Itinga, Minas Gerais  Brazil (2003)

Specimen size: 12.2 × 8.2 × 5.4 cm

Main crystal size: 0.1 × 0.1 cm

TM47K9: Great specimen! Probably one of the best ones ever found. Groups of small crystals, with excellent intense yellow color and well defined faces and edges. All on parallel and “book” growths of laminar Albite crystals. Matrix is coated by laminar crystals of Mica (probably Muscovite). A Museum display specimen.
Jenipapo, Itinga, Minas Gerais  Brazil (2003)

Specimen size: 13.5 × 12.5 × 8 cm

Main crystal size: 0.1 × 0.1 cm

TK6K9: On the same specimen there are two very rare species. Beige crystals of Kosnarite with pinkish, radial aggregates of Zanazziite, on white Albite matrix. The Zanazziite has been carefully analyzed and the result is surprising: iron is nearly replaced by manganese (thus its pinkish shade), so we present it as manganoan Zanazziite. Matrix is Albite. We’ll send a copy of the analysis to the buyer.
Jenipapo, Itinga, Araçuaí, Minas Gerais  Brazil (2002-2003)

Specimen size: 4.6 × 1.9 × 2.2 cm

Main crystal size: 0.1 × 0.1 cm

TB62H3: A recent find. Crystal has bigger size than usual for this uncommon species and has faces and edges quite sharp and bright and contrasting with the matrix of Quartz and Muscovite.
Quixabá Mine, Frei Martinho, Paraíba  Brazil (2005-2006)

Specimen size: 3.6 × 3.3 × 3 cm

Main crystal size: 1.2 × 1.2 cm

TX60H3: A recent find. Crystal has bigger size than usual for this uncommon species and has faces and edges quite sharp and bright and contrasting with the matrix of Quartz and Muscovite.
Quixabá Mine, Frei Martinho, Paraíba  Brazil (2005-2006)

Specimen size: 2.8 × 2.6 × 3.1 cm

Main crystal size: 1 × 0.8 cm

NM26L1: Double spheroidal growth of well defined crystals of this rare calcium and tin silicate. With small Plumbomicrolite orange crystals.
Corrego do Urucum, Galiléia, Minas Gerais  Brazil (2007)

Specimen size: 3 × 2.2 × 2.3 cm

Main crystal size: 0.4 × 0.4 cm

TC86L1: Spessartine crystals, one of them dominant, very transparent, notable for their color intensity and extraordinary brilliance. With very marked stepped faces produced by etching. On a Quartz matrix, which is rare.
This specimen comes from the private collection of the well-known Wendy and Frank Melanson, from Canada.
Lavra do Navegadora, Conselheiro Pena, Minas Gerais  Brazil (10-11/2006)

Specimen size: 3 × 1.7 × 1.8 cm

Main crystal size: 1.6 × 1.4 cm

MR12L0: Group of yellow laminar Muscovite crystals, with sharp hexagonal outlines. On a matrix of twinned Albite.
Proberil Mine, Galiléia, Minas Gerais  Brazil (06/2007)

Specimen size: 7 × 6.5 × 5.9 cm

Main crystal size: 2.8 × 2 cm

MD12L0: Very esthetic specimen, very rich in yellow laminar crystals, with well defined outlines, some of them forming rosettes.
Proberil Mine, Galiléia, Minas Gerais  Brazil (06/2007)

Specimen size: 9.4 × 8.3 × 6 cm

Main crystal size: 3.4 × 2.8 cm

MK12L0: Groups of very acute Olivenite crystals, some of them doubly terminated, totally or partially covered by botryoidal Malachite and a color that contrasts with the dark Limonite matrix. The specimen comes from a locality not yet well known.
Núbia, Ibitiara, Bahia  Brazil (2006)

Specimen size: 8 × 5.4 × 3.7 cm

Main crystal size: 0.6 × 0.2 cm

MD63L0: Groups of very acute Olivenite crystals, some of them doubly terminated, totally or partially covered by botryoidal Malachite and a color that contrasts with the dark Limonite matrix. The specimen comes from a locality not yet well known.
Núbia, Ibitiara, Bahia  Brazil (2006)

Specimen size: 7.7 × 6.4 × 5.5 cm

Main crystal size: 0.9 × 0.2 cm

TY27H3: A dense growth of prismatic crystals forming fan groups. Color is very intense. The base is a group of pink crystals of Quartz.
Lavra da Ilha, Taquaral, Itinga, Minas Gerais  Brazil

Specimen size: 4.1 × 2.6 × 1.3 cm

Main crystal size: 0.3 × 0.1 cm

TD67H3: The crystals of Eosphorite are prismatic and doubly terminated and are more individualized than usual. The base is a doubly terminated crystal of Smoky Quartz. At one end it is progressively milky and at the opposite end it has a crown of pink crystals. The specimen is completed by a fine white matrix of Feldspar (probably Orthoclase)
Lavra da Ilha, Taquaral, Itinga, Minas Gerais  Brazil

Specimen size: 7.3 × 3.7 × 4 cm

Main crystal size: 0.7 × 0.1 cm

EZ47K1: Esthetic group of crystals formed by the rhombohedron and a very short prism. The group is on a matrix of clear crystals of Magnesite.
Mina da Pombas, Serra das Eguas, Brumado, Bahia  Brazil (02/2007)

Specimen size: 3.2 × 2.3 × 2.2 cm

Main crystal size: 1.2 × 0.9 cm

MF10L5: Topaz crystal with intense color and good brilliance. With a complex termination very rich in faces, where we can observe at least two pyramid forms and the pinacoid, along with two prisms. The base is a cleavage surface.
Antonio Pereira Mine, Ouro Preto, Minas Gerais  Brazil (10/11/2007)

Specimen size: 4.3 × 1.3 × 1 cm

TA10J3: A crystal extraordinarily transparent and bright and with a magnificent blue color. Morphologically it has a double characteristic: most of its faces and edges are splendidly smooth and very well defined, partially covered by Lepidolite, meanwhile the rest of the sample has interesting dissolution shapes.
Teixerinha Mine, Itinga, Minas Gerais  Brazil (2007)

Specimen size: 3.3 × 3.3 × 3.1 cm

EA86I5: The crystal has very good color and has very well marked forms of dissolution and some well defined faces. It forms a very interesting association, not previously observed, with the very rare Zanazziite in small brown crystals, whose analysis will be sent to the buyer.
Teixerinha Mine, Itinga, Minas Gerais  Brazil (2006)

Specimen size: 3.8 × 3.1 × 2.5 cm