Mineral specimens search results

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A really very interesting specimen. One can see how the Quartz and Microcline have grown together and then have continued until they end in the geometric faces of a crystal of amazonite, which is also large, well defined, and has good color.
Kenticha, Sidamo Province, SNNPR Region Ethiopia (2002)
Specimen size: 8.5 × 5.7 × 4.2 cm = 3.35” × 2.24” × 1.65”

TCC63AN3: Microcline (Baveno twin)

Parallel polycrystalline growth of Microcline with very sharp Baveno-law and Manebach-law twins, lustrous and very white in color. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Granite Ridge, Lolo Pass, Missoula County, Montana USA
Specimen size: 2.9 × 2 × 1.6 cm = 1.14” × 0.79” × 0.63”

NBZ46AO5: Microcline (twinned) with Quartz (variety smoky), Albite and Mica

Sharp Microcline crystal with distinct and smooth crystal forms, salmon pink, on matrix, with doubly terminated, transparent, lustrous and very deep colored Quartz crystals (smoky variety) associated with white Albite crystals.
Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya Spain (09/2007)
Specimen size: 8.3 × 6.1 × 6.8 cm = 3.27” × 2.40” × 2.68”

EM27AM2: Microcline (variety amazonite white cap)

Parallel growth of two Microcline crystals (amazonite variety) with very well defined faces and edges and selective green and white coloration, known to mineral collectors as “white cap” microcline. From the most classic locality for amazonite.
The specimen is from the Moutet collection in Marseille. We will send the buyer, together with the specimen, a label from the prestigious Deyrolle house in Paris where Moutet bought the specimen many years ago.
Crystal Peak area, Teller County, Colorado USA
Specimen size: 6.2 × 5.2 × 5.4 cm = 2.44” × 2.05” × 2.13”

Main crystal size: 5 × 4 cm = 1.97” × 1.57”

EJR14AQ1: Microcline (variety amazonite)

Group of Microcline crystals (variety amazonite) with very sharp crystal forms and an intense and uniform green color. The specimen comes from the Thomas P. Moore collection, whose label we will send to the buyer.
Pikes Peak, Teller County, Colorado USA
Specimen size: 2.4 × 1.8 × 1.9 cm = 0.94” × 0.71” × 0.75”

SV2120TXD: Microcline (variety amazonite)

Pair of interpenetrating Microcline crystals (variety amazonite) with the characteristic greenish-bluish color for specimens of this species, and polysynthetic textures that give it some fine whitish lineations on the faces of the crystals. The specimen is an American classic formed in miarolitic cavities in the Pikes Peak granitic batholith, and it has a rich pedigree as it comes from the collection of Paul Desautels -whose label we will send to the buyer of the piece- curator of the Smithsonian Museum in Washington, and from the collection of Henry-Jean Schubnel, curator of the National Museum of Natural History of Paris.
Pikes Peak, Teller County, Colorado USA
Specimen size: 3.8 × 2.3 × 2.1 cm = 1.50” × 0.91” × 0.83”

JA46W0: Microcline (variety amazonite)

Parallel aggregate of crystals with very well defined faces and edges, some of them doubly terminated and with a neat color zoning, intense bluish green on the terminations and clearer on the dominant faces.
Park County Claims, Tarryall Mountains, Park County, Colorado USA (±1990)
Specimen size: 9 × 7 × 4.5 cm = 3.54” × 2.76” × 1.77”

RA38F9: Microcline (variety amazonite)

In this single crystal the color is magnificent, and the faces are exceptionally well-developed.
Pikes Peak, El Paso County, Colorado USA (±1926)
Specimen size: 4.5 × 3.9 × 4.3 cm = 1.77” × 1.54” × 1.69”

RL27K9: Microcline (variety amazonite) "whitecap"

Amazonite crystal with a second crystallization phase, known as “whitecap” (or white termination), the top side of the amazonite is this color.
Pikes Peak, El Paso County, Colorado USA (±1964)
Specimen size: 8.1 × 5.9 × 3.3 cm = 3.19” × 2.32” × 1.30”

MF46AI4: Microcline (variety amazonite) with Albite

Single and partially doubly terminated Microcline (amazonite variety) crystal with very well defined faces and edges, a good green color, not as bluish as the classic Colorado amazonites, and on a matrix of Quartz and Albite. The sample is from the Carles Manresa collection whose label we’ll send to the buyer.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 02/2018, page 87
Kenticha, Sidamo Province, SNNPR Region Ethiopia
Specimen size: 5.5 × 5 × 2.8 cm = 2.17” × 1.97” × 1.10”

Main crystal size: 4.8 × 4.2 cm = 1.89” × 1.65”

TQ27AH6: Microcline (variety amazonite) with Albite and Schorl

Group of Microcline (amazonite variety) crystals on matrix with a small Albite rosette and a small acicular Schorl crystal. The sample, a very old one, is not repaired.
Pikes Peak, Teller County, Colorado USA
Specimen size: 5.7 × 4.6 × 2.8 cm = 2.24” × 1.81” × 1.10”

MG12F6: Microcline (variety amazonite) with Quartz (variety smoky)

The crystal has a sharp well-defined form, and it stands out from the matrix because of its great green color. It comes from a recently discovered locality (for mineral collectors that is)
Kenticha, Sidamo Province, SNNPR Region Ethiopia (2002)
Specimen size: 4.2 × 4 × 4.4 cm = 1.65” × 1.57” × 1.73”

Main crystal size: 3.7 × 3 cm = 1.46” × 1.18”

T96FKX7: Microcline (variety amazonite) with Quartz (variety smoky)

Microcline crystal (amazonite variety) showing well defined faces and edges, with intense bluish-green color and on smoky Quartz crystals, very rich in inclusions. An American classic.
Pikes Peak, El Paso County, Colorado USA (1993)
Specimen size: 8.3 × 7.5 × 4.5 cm = 3.27” × 2.95” × 1.77”

22TXM63: Microcline (variety amazonite), Albite

Crystal of Microcline (amazonite variety) with an intense and uniform color, with well defined faces and edges, adorned by a rosette of Albite crystals embedded in the center of the Amazonite crystal. This American classic from the miarolitic cavities of the Pikes Peak granitic batholith comes from the old former collection of Robert-Auguste Touchon and is accompanied by an old handwritten label of Dr. Dagincourt in Paris that will be sent to the buyer of the piece.
Pikes Peak, Teller County, Colorado USA
Specimen size: 2.7 × 2.6 × 2.5 cm = 1.06” × 1.02” × 0.98”

16MK13: Microcline (variety amazonite), Quartz (variety smoky)

Isolated crystals of Microcline (variety amazonite), one of them clearly dominant, partially doubly terminated, with very well defined faces and edges, less bluish green in color than the classic Colorado amazonites, on a Quartz matrix (smoky variety).
Kenticha, Sidamo Province, SNNPR Region Ethiopia (2002)
Specimen size: 4.4 × 4.3 × 3.0 cm = 1.73” × 1.69” × 1.18”

M10FTL2: Microcline with Albite

From a classic Catalan locality, at the foot of the Montseny Massif, we can enjoy this old Orthoclase specimen. A group of crystals with slight orange color totally coated by small Albite crystals, doubly terminated, orientated, very transparent and with good brilliance.
Can Vernenc, Montnegre Mountains, La Batllòria, Sant Celoni, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya Spain (1975)
Specimen size: 3.9 × 3 × 1.9 cm = 1.54” × 1.18” × 0.75”

DE37AF9: Microcline with Albite and Quartz

Large group of sharp microcline crystals with very well defined faces and edges and a very well defined Manebach twin. It is with Albite and is coated by pinkish micro-crystalline Quartz that gives to it an unusual aspect, so unusual as the locality where it comes from.
La Arola, Comarca Osona, Gerona / Girona, Catalonia / Catalunya Spain
Specimen size: 15 × 10.7 × 5.3 cm = 5.91” × 4.21” × 2.09”

NF66AI7: Microcline with Albite and Quartz (variety smoky)

Microcline crystals with very well defined Baveno-law twins, with a pale pinkish color, with a parallel smoky Quartz crystal and groups of white Albite crystals. The sample is from the Daunis collection whose label we’ll send to the buyer.
Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya Spain (2004-2010)
Specimen size: 9 × 7.5 × 5.6 cm = 3.54” × 2.95” × 2.20”

Main crystal size: 5 × 3.2 cm = 1.97” × 1.26”

MRB86AP7: Microcline with Baryte and Quartz (variety smoky)

Group of Microcline crystals with a short prismatic habit, with good terminations, reddish color, accompanied by Quartz crystals (smoky variety) and with a book-like aggregate of white lamellar Baryte crystals that proves the relationship of this material with the usual Aouli material, although this specimen comes from a very unusual find there, where until now the presence of feldspars had been unknown.
Aouli, Mibladen mining district, Mibladen, Midelt, Midelt Province, Drâa-Tafilalet Region Morocco (12/2022)
Specimen size: 12.5 × 8.3 × 5 cm = 4.92” × 3.27” × 1.97”

MBB16AP7: Microcline with Hematite and Quartz

Group of Microcline crystals with sharp crystal forms, with coatings of Quartz microcrystals and Hematite. Imilchil constantly offers new things.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (12/2022)
Specimen size: 5.1 × 4.6 × 3.2 cm = 2.01” × 1.81” × 1.26”

Main crystal size: 4 × 1.9 cm = 1.57” × 0.75”

MCR46AP7: Microcline with Hematite and Quartz

Group of Microcline crystals, one of them clearly dominant, with sharp crystal forms, with coatings of Quartz microcrystals and Hematite. Imilchil constantly offers new things.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (12/2022)
Specimen size: 3.8 × 3.8 × 3.7 cm = 1.50” × 1.50” × 1.46”

MXR66AP7: Microcline with Hematite and Quartz

Group of Microcline crystals with sharp crystal forms, with coatings of Quartz microcrystals and Hematite. Imilchil constantly offers new things.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (12/2022)
Specimen size: 8.9 × 4.2 × 3.3 cm = 3.50” × 1.65” × 1.30”

Main crystal size: 2.3 × 1.9 cm = 0.91” × 0.75”

MFA86AP7: Microcline with Hematite and Quartz

Group of Microcline crystals with sharp crystal forms, with coatings of Quartz microcrystals and Hematite. Imilchil constantly offers new things.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (12/2022)
Specimen size: 7.7 × 6.6 × 5.4 cm = 3.03” × 2.60” × 2.13”

MRA86AP7: Microcline with Hematite and Quartz

Group of Microcline crystals with sharp crystal forms, with coatings of Quartz microcrystals and Hematite. Imilchil constantly offers new things.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (12/2022)
Specimen size: 6.8 × 6.8 × 4.4 cm = 2.68” × 2.68” × 1.73”

Main crystal size: 2.6 × 2.3 cm = 1.02” × 0.91”

MYB27AP7: Microcline with Hematite and Quartz

12722 results found.

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