Mineral Specimens - page 11
Brazil

MP12AM8: Very aerial group on matrix of Pyrite crystals with cubic habit, with iridescence and very bright luster.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Roger Quarries, João Pessoa, Paraíba  Brazil

Specimen size: 3.2 × 1.8 × 1.4 cm = 1.26” × 0.71” × 0.55”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”

TVR46AN9: Aggregate of lamellar crystals of lustrous Hematite, extraordinarily sharp and with very marked parallel growths.
We will send the specimen in its original Perky box from the R.J. Noble collection, which also contains the label.
Serra das Éguas, Brumado, Bahia, Northeast Region  Brazil

Specimen size: 3.3 × 2.1 × 0.7 cm = 1.30” × 0.83” × 0.28”

Main crystal size: 2.4 × 2 cm = 0.94” × 0.79”

XM220ED: Topaz crystal with sharp crystal forms, excellent terminations, transparent, with good luster and an intense color. Of the saramenha type ("imperial", in Spanish language)
Ouro Preto, Minas Gerais  Brazil

Specimen size: 2.5 × 1.5 × 1 cm = 0.98” × 0.59” × 0.39”

MFA51AO3: Groups and isolated crystals of Titanite, twinned, with a very well defined twin plane and sharp crystal forms. Translucent, with a bright luster and an intense and uniform green color with yellow tones. On matrix, with small Quartz crystals.
Excellent Brazilian classic, of high quality and difficult to obtain nowadays.
Capelinha, Jequitinhonha, Minas Gerais  Brazil

Specimen size: 9.6 × 6.1 × 2.1 cm = 3.78” × 2.40” × 0.83”

Main crystal size: 2.6 × 0.7 cm = 1.02” × 0.28”

TB89AM9: Centered groups of Eosphorite crystals, transparent, lustrous, brown with orange tones, on a matrix of Quartz crystals. Associated are multiple small rosette growths of Greifensteinite, a rare calcium iron phosphate. Both the Eosphorite and Greifensteinite have been analyzed and we will send a copy of both analyses to the buyer.
Taquaral, Itinga, Jequitinhonha, Minas Gerais  Brazil

Specimen size: 9.2 × 5.3 × 3.1 cm = 3.62” × 2.09” × 1.22”

Main crystal size: 1.1 × 1.1 cm = 0.43” × 0.43”

TFR96AO4: Spheroidal aggregates of Zanazziite microcrystals, a rare phosphate of calcium, magnesium and beryllium, translucent, lustrous, and light cream in color. On matrix with Elbaite crystals and small Microcline coatings.
Ponte do Piauí Mine, Piauí Valley, Taquaral, Itinga, Jequitinhonha, Minas Gerais  Brazil

Specimen size: 9.9 × 4.6 × 3.7 cm = 3.90” × 1.81” × 1.46”

TM17Z2: A novelty at Tucson 2014. Complex group of Fluorapatite crystals, very rich with crystalline forms including a translucent, extraordinarily bright dominant prism and with white small Bertrandite crystals. The color, clearly pink in daylight, acquires brownish shades under electric lightning.
Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (11/2013)

Specimen size: 3.5 × 2.8 × 1.6 cm = 1.38” × 1.10” × 0.63”

TA47Z2: A novelty at Tucson 2014. Complex group of Fluorapatite crystals, very rich with crystalline forms including a translucent dominant prism with parallel growths and with small Tourmaline crystals. The color, clearly pink in daylight, acquires brownish shades under electric lightning.
Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (11/2013)

Specimen size: 4.2 × 2.8 × 1.5 cm = 1.65” × 1.10” × 0.59”

TR49Z2: A novelty at Tucson 2014. Aggregate of prismatic Fluorapatite crystals with a dominant prism and complex terminations, very rich with crystalline forms. They are translucent, extraordinarily bright and are with small Tourmaline crystals. The color, clearly pink in daylight, acquires brownish shades under electric lightning.
The sample has been noted and photographed in the monograph "Golconda!" of the Mineralogical Record magazine on page 664 in the volume 50, number 5, September-October 2019
Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (11/2013)

Specimen size: 4.3 × 3.2 × 2.7 cm = 1.69” × 1.26” × 1.06”

Main crystal size: 3 × 2.2 cm = 1.18” × 0.87”

TP29Z2: A novelty at Tucson 2014. Complex group of Fluorapatite crystals, very rich with crystalline forms including a extraordinarily bright dominant prism with tourmaline and small white Bertrandite crystals. The color, clearly pink in daylight, acquires brownish shades under electric lightning.
Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (11/2013)

Specimen size: 4.4 × 3.9 × 1.9 cm = 1.73” × 1.54” × 0.75”

TC30Z2: A novelty at Tucson 2014. Aggregate of prismatic Fluorapatite crystals with a dominant prism and complex terminations, very rich with crystalline forms. They are translucent, extraordinarily bright and are with small Tourmaline crystals. The color, clearly pink in daylight, acquires brownish shades under electric lightning.
Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (11/2013)

Specimen size: 4.6 × 4.3 × 3.4 cm = 1.81” × 1.69” × 1.34”

Main crystal size: 4 × 3.8 cm = 1.57” × 1.50”

ET6R4: Aggregates of small crystals of Fluorapatite, most of them doubly terminated. The crystals are very bright and have a vivid blue color. They are with Quartz, Muscovite and crystals of Albite partially coated by small groups of Bertrandite crystals, visible under a magnifying glass, that are of excellent quality, clear, bright and many of them doubly terminated. We'll send a copy of the Bertrandite analysis to the buyer.
Machadão pegmatite, Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (05/2010)

Specimen size: 3.9 × 3.7 × 2.7 cm = 1.54” × 1.46” × 1.06”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”

ED6R4: Aggregates of small crystals of Fluorapatite, most of them doubly terminated. The crystals are very bright and have a vivid blue color. They are with Quartz, Muscovite and crystals of Albite partially coated by small groups of Bertrandite crystals, visible under a magnifying glass, that are of excellent quality, clear, bright and many of them doubly terminated. We'll send a copy of the Bertrandite analysis to the buyer.
Machadão pegmatite, Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (05/2010)

Specimen size: 5.7 × 4.9 × 2.1 cm = 2.24” × 1.93” × 0.83”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

EF12R4: Aggregates of small crystals of Fluorapatite, most of them doubly terminated. The crystals are very bright and have a vivid blue color. They are with Quartz, Muscovite and crystals of Albite partially coated by small groups of Bertrandite crystals, visible under a magnifying glass, that are of excellent quality, clear, bright and many of them doubly terminated. We'll send a copy of the Bertrandite analysis to the buyer.
Machadão pegmatite, Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (05/2010)

Specimen size: 6 × 4.2 × 2 cm = 2.36” × 1.65” × 0.79”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

EL14R4: Aggregates of small crystals of Fluorapatite, most of them doubly terminated. The crystals are very bright and have a vivid blue color. They are with Quartz, Muscovite and crystals of Albite partially coated by small groups of Bertrandite crystals, visible under a magnifying glass, that are of excellent quality, clear, bright and many of them doubly terminated. We'll send a copy of the Bertrandite analysis to the buyer.
Machadão pegmatite, Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (05/2010)

Specimen size: 6.4 × 3.9 × 3.1 cm = 2.52” × 1.54” × 1.22”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

EG80R4: Aggregates of small crystals of Fluorapatite, most of them doubly terminated. The crystals are very bright and have a vivid blue color. They are with Quartz, Muscovite and crystals of Albite partially coated by small groups of Bertrandite crystals, visible under a magnifying glass, that are of excellent quality, clear, bright and many of them doubly terminated. We'll send a copy of the Bertrandite analysis to the buyer.
Machadão pegmatite, Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (05/2010)

Specimen size: 7.4 × 5.3 × 4.9 cm = 2.91” × 2.09” × 1.93”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”

TB27AJ8: Doubly terminated complete and twinned Bertrandite crystal with very well defined polycrystalline growths. It has a pearly luster with a snowy white color and it is on matrix with Albite. Really exceptional.
Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (12/2016)

Specimen size: 7.7 × 6.4 × 3.7 cm = 3.03” × 2.52” × 1.46”

Main crystal size: 2.8 × 2 cm = 1.10” × 0.79”

TT36AM9: Calcite crystal with a hexagonal prismatic habit, pinacoid termination and very distinct parallel growths, a form that is unusual in isolated Calcites. The crystal is transparent, lustrous, colorless and is on matrix.
Iraí, Alto Uruguai region, Rio Grande do Sul  Brazil

Specimen size: 4.6 × 3.9 × 4.6 cm = 1.81” × 1.54” × 1.81”

Main crystal size: 4.6 × 1.6 cm = 1.81” × 0.63”

TC93Z9: Sharp scalenohedral crystals with very well defined faces and edges, partially coated by small Quartz (amethyst) crystals and implanted on a cavity of the same mineral but with larger crystals. A sample special for the exhibit case, very elegant.
Ametista do Sul, Alto Uruguai region, Rio Grande do Sul  Brazil (2011)

Specimen size: 15.2 × 10.9 × 7 cm = 5.98” × 4.29” × 2.76”

Main crystal size: 5.3 × 3 cm = 2.09” × 1.18”

TFA99AP3: Beryl crystal (morganite variety) with a hexagonal profile etched in some parts by natural dissolution channels. The crystal is between transparent and translucent, with concentric geometric color zoning and good luster. An old Brazilian classic.
Urucum Mine, Galiléia, Vale do Rio Doce, Minas Gerais  Brazil

Specimen size: 6.3 × 5.2 × 3.9 cm = 2.48” × 2.05” × 1.54”

VF86AA7: Single crystal with very well defined faces and edges, complete on both terminations, translucent and with a very well defined color zoning on the upper termination, that has fine dissolutions fissures on the pinacoid.
Minas Gerais  Brazil (±1973)

Specimen size: 5.1 × 2.6 × 1.8 cm = 2.01” × 1.02” × 0.71”

TT93AH1: A complete floater Beryl (aquamarine variety) crystal with parallel growths and rich with dissolution surfaces and very sharp edges. The crystal, with small black oxide inclusions, has a very vivid and uniform blue color.
Xanda Mine, Virgem da Lapa, Jequitinhonha, Minas Gerais  Brazil

Specimen size: 6 × 4.6 × 3.2 cm = 2.36” × 1.81” × 1.26”

NFB48AO5: Beryl crystal (aquamarine variety) with very sharp crystal forms, translucent, lustrous, sea-green in color and with inclusions. On matrix, with aggregates of lamellar Muscovite crystals.
The specimen comes from the collection of Santiago Jiménez who, especially in the 1980s and '90s, put together an excellent collection with a very good representation of the mineralogy of northern Spain.

Alto do Giz pegmatite, Equador, Parelhas, Caicó, Rio Grande do Norte  Brazil

Specimen size: 7.8 × 5.4 × 6.3 cm = 3.07” × 2.13” × 2.48”

Main crystal size: 6.5 × 5.5 cm = 2.56” × 2.17”

TP47AL7: Transparent Elbaite crystal with good luster and a uniform lilac color. We will send the specimen, from a classic Brazilian locality, in its original Perky box from the Robert J. Noble collection, which also contains the label, stating that it was previously in the Sullivan collection.
Virgem da Lapa, Jequitinhonha, Minas Gerais  Brazil

Specimen size: 3 × 0.6 × 0.5 cm = 1.18” × 0.24” × 0.20”

VE27Z4: Well developed prism with a rhombohedral termination. It has a very well defined color zoning, green on its very bright terminal faces, pink up on the prism and blue at the bottom.
Minas Gerais  Brazil

Specimen size: 4 × 1.9 × 1.6 cm = 1.57” × 0.75” × 0.63”

TV37AF5: Doubly terminated crystal with very well defined parallel growths and clearly hemihedral forms, with one of its terminations flat and bright and the opposite pyramidal and polycrystalline. It is very bright, translucent and has an intense green color with pink areas.
The sample is from the Vallecillo collection, Madrid.
Araçuaí, Jequitinhonha, Minas Gerais  Brazil

Specimen size: 8.9 × 4.1 × 2.6 cm = 3.50” × 1.61” × 1.02”

MTF90AO3: Group of doubly terminated Elbaite crystals with very well defined polycrystalline growths, transparent, with good luster and a blue color with violet tones along the prism and green around the pyramid faces. With a small crystal of the same Elbaite, green with yellow tones and a very different appearance, in the area where the two main crystals meet.
Very curious is the great curvature of one of the crystals, elongated and thin, which seems to have suffered extreme pressures to be born and die in another, thicker, crystal.
Minas Gerais  Brazil

Specimen size: 9.1 × 5.9 × 2 cm = 3.58” × 2.32” × 0.79”

Main crystal size: 6.9 × 1.3 cm = 2.72” × 0.51”

TZ69AE9: Very elongated crystals with very well defined fine parallel growths that have a fibrous aspect, an intense silky luster, a bluish olive-green color on prism faces and between red and pink on the termination,
Santa Rosa Mine, Itambacuri, Vale do Rio Doce, Minas Gerais  Brazil

Specimen size: 11.8 × 2.7 × 2.8 cm = 4.65” × 1.06” × 1.10”

NF74AA8: Very aerial and esthetic aggregate of elongated crystals with defined terminations, translucent, bright and with a dominant green color and areas with pink shades.
Cruzeiro Mine, Santa Maria do Suaçui, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil (03-04/2008)

Specimen size: 12.3 × 5 × 2.5 cm = 4.84” × 1.97” × 0.98”

Main crystal size: 9.2 × 1.9 cm = 3.62” × 0.75”

NMP87AO6: Very elongated individual Quartz crystal, with the characteristic Dauphine habit. Transparent, lustrous, with inclusions and very aerial and complex Calcite crystals with selective color zoning, implanted between the prism and the terminations of the Quartz.The specimen comes from the Santiago Jiménez collection, basically dedicated to Spanish localities but with good specimens from other countries too.
Diamantina, Jequitinhonha, Minas Gerais  Brazil

Specimen size: 13.7 × 2.9 × 2.3 cm = 5.39” × 1.14” × 0.91”

Main crystal size: 13.3 × 1.9 cm = 5.24” × 0.75”

TLR66AP9: Group of Quartz crystals (variety rose quartz) with very marked polycrystalline growths, translucent, with good luster and an intense and uniform pink color, associated with small transparent brown Eosphorite crystals.
The specimen, which has very large crystals for this quartz variety, comes from the Paul Muse collection.
Ilha claim, Taquaral, Itinga, Jequitinhonha, Minas Gerais  Brazil

Specimen size: 11 × 8.8 × 3.2 cm = 4.33” × 3.46” × 1.26”

Main crystal size: 3.7 × 2.1 cm = 1.46” × 0.83”

HM390LW: Floater growth of parallel Quartz crystals, with twists, transparent, with great luster and a very intense smoky color.
Former collection of Philippe Morelon
Minas Gerais  Brazil

Specimen size: 18.5 × 7.3 × 4.5 cm = 7.28” × 2.87” × 1.77”

EYA26AP1: Specimen from a deposit discovered in 2017 and located at some distance from the previously known locality in Serra do Caldeirão, but with different characteristics. In this case a floater group of well-formed elongated Gold crystals, with curvatures on some of their faces and edges and with spinel-law twinning.
If you want to know more about these Golds you can use this link
Serra Dourada, Pontes e Lacerda, Alto Guaporé District, Mato Grosso  Brazil

Specimen size: 1 × 0.8 × 0.6 cm = 0.39” × 0.31” × 0.24”

TC86AD5: A novelty at Tucson 2016. Parallel aggregates of very sharp and well defined octahedral crystals, with sharp skeletal growths. According to our sources the site is not supplying new specimens for collectors so new finds are not expected. We analyzed these Golds and they are really special. They contains a 99.1% Gold and about a 0.5 % Rhodium, which is quite uncommon. We’ll send a copy of the analysis to the buyer.
If you want to know more about these Golds you can use this link
The specimen has been reviewed, photographed and published in the magazine ‘Mineral Up’ on page 40 of the 2016/02 edition.
Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso  Brazil (2015)

Specimen size: 2 × 1.9 × 0.9 cm = 0.79” × 0.75” × 0.35”

Main crystal size: 1.8 × 0.6 cm = 0.71” × 0.24”

TB87AF7: Very aerial floater and complete specimen with deep skeletal growths of octahedral crystals with very well defined faces and edges. The site is currently not supplying new specimens for collectors so new finds are not expected. We analyzed these Golds and they are really special. They contains a 99.1% Gold and about a 0.5 % Rhodium, which is quite uncommon. We’ll send a copy of the analysis to the buyer.
If you want to know more about these Golds you can use this link
Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso  Brazil (9-12/2015)

Specimen size: 2.4 × 1.5 × 1.5 cm = 0.94” × 0.59” × 0.59”

Main crystal size: 1.5 × 0.8 cm = 0.59” × 0.31”

EXB90AP1: Specimen from a deposit close to the one already known in 2017, but with some different features. A floater group of well-formed crystals for the species, with curvatures on some of their faces and edges and with spinel-law twinning.
If you want to know more about these Golds you can use this link
Bananal claims, Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso  Brazil

Specimen size: 1.7 × 1.2 × 0.7 cm = 0.67” × 0.47” × 0.28”

ETX36AP1: Specimen from a deposit close to the one already known in 2017, but with some different features. A floater group of well-formed crystals for the species, with curvatures on some of their faces and edges and with spinel-law twinning.
If you want to know more about these Golds you can use this link
Bananal claims, Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso  Brazil

Specimen size: 2 × 1.7 × 1.2 cm = 0.79” × 0.67” × 0.47”

Main crystal size: 2 × 1.3 cm = 0.79” × 0.51”

ETR3AP1: Specimen from a deposit close to the one already known in 2017, but with some different features. A floater group of well-formed crystals for the species, with curvatures on some of their faces and edges and with spinel-law twinning.
If you want to know more about these Golds you can use this link
Bananal claims, Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso  Brazil

Specimen size: 2 × 1.8 × 1 cm = 0.79” × 0.71” × 0.39”

TP96AB8: Very aerial dendritic growth with slightly defined crystalline forms and very deep cavities and hollows.
Fanado river claims, Minas Novas, Jequitinhonha, Minas Gerais  Brazil (2014)

Specimen size: 2.8 × 1.4 × 1.8 cm = 1.10” × 0.55” × 0.71”

MFT69AP3: Group of very sharp Ludlamite crystals which are large for the species, some of them doubly terminated, with parallel growths, translucent, with bright luster and a very deep dark color, in a limonite matrix.
Cabeça do Cachorro claim, São Gabriel da Cachoeira, Cabeça do Cachorro area, Amazonas  Brazil

Specimen size: 4 × 3.9 × 2.6 cm = 1.57” × 1.54” × 1.02”

Main crystal size: 1.4 × 1 cm = 0.55” × 0.39”

EZ87AK0: Ludlamite crystals with parallel growths and very well defined faces and edges, translucent, very bright, with a very intense green color and on matrix. With spheroidal Siderite. A relative novelty in Sainte Marie-aux-Mines 2019, with better quality than the previous ones seen so far from this locality.
Cabeça do Cachorro claim, São Gabriel da Cachoeira, Cabeça do Cachorro area, Amazonas  Brazil (2019)

Specimen size: 6.3 × 5.2 × 2.4 cm = 2.48” × 2.05” × 0.94”

Main crystal size: 1.3 × 0.9 cm = 0.51” × 0.35”

TQ87Y0: Druse, on rocky matrix, of very Sharp crystals with very well defined faces and edges. They are translucent, bright and with an unusual and changing color, between clear pink and slightly yellowish pink.
Fazenda Pomarolli, Linópolis, Divino das Laranjeiras, Vale do Rio Doce, Minas Gerais  Brazil (2006)

Specimen size: 4.9 × 4.7 × 4.7 cm = 1.93” × 1.85” × 1.85”

Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”

EH6Y0: Druse, on Quartz matrix, of short prismatic Huréaulite crystals. They are transparent and bright and have an excellent salmon pink color, with darker terminations on some areas on the sample.
Cigana Mine (Jocão Mine), Conselheiro Pena, Vale do Rio Doce, Minas Gerais  Brazil (04-05/2006)

Specimen size: 5.5 × 3.6 × 3.7 cm = 2.17” × 1.42” × 1.46”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”