Microcline - Mineral specimens search results

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Mineral specimens search results for [ Microcline ]

MX11AK3: Ba-rich Microcline (variety hyalophane)

Aggregate of very sharp hyalophane crystals (Barium-rich Microcline), which form multiple twins, with the Manebach law predominating, transparent, very lustrous and with a bit of matrix at the back.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina (1989-1990)
Specimen size: 2.6 × 1.9 × 2.2 cm = 1.02” × 0.75” × 0.87”

MC62AE7: Ba-rich Microcline (variety hyalophane)

Aggregate of very sharp Hyalophane (feldspar series) crystals that are transparent and have a slightly bluish-gray color and are partially coated by unusual aggregates of acicular Rutile crystals.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina (1989-1990)
Specimen size: 3.7 × 3.4 × 1.5 cm = 1.46” × 1.34” × 0.59”

Main crystal size: 0.5 × 0.3 cm = 0.20” × 0.12”

MV14AI9: Ba-rich Microcline (variety hyalophane)

This is a floater group of Hyalophane crystals from Busovaca—practically the only locality for fine specimens of this Feldspar-group species. The lustrous, translucent crystals are very obviously repeating double Baveno-Manebach twins.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina (1989-1990)
Specimen size: 3.2 × 2.9 × 2.7 cm = 1.26” × 1.14” × 1.06”

ME26AF3: Ba-rich Microcline (variety hyalophane)

Floater group of crystals from the classic locality of Busovača, practically the only one for good quality specimens of this mineral. Crystals have very obvious double Baveno-Manebach twins, and they are colorless, transparent-translucent and very bright.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina (1989-1990)
Specimen size: 5 × 3.7 × 2.7 cm = 1.97” × 1.46” × 1.06”

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

TC2140MTP: Ba-rich Microcline (variety hyalophane)

Floater group of sharp crystals of hyalophane (barium-rich variety of Microcline), which form multiple twins, with a predominance of Manebach's law. Colorless, transparent and very lustrous.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina
Specimen size: 4.5 × 3.9 × 2 cm = 1.77” × 1.54” × 0.79”

TH12H7: Ba-rich Microcline (variety hyalophane)

Group of very well-defined and bright crystals. They have a high degree of transparency and on both sides, more clearly at the left, the Baveno twin, typical of alkaline Feldspars, is present.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina (2004)
Specimen size: 3.5 × 3.3 × 2.2 cm = 1.38” × 1.30” × 0.87”

Main crystal size: 2.3 × 1.4 cm = 0.91” × 0.55”

TZ90H9: Ba-rich Microcline (variety hyalophane)

A floater group of crystals from the classic locality of Busovaca, practically the only one for good quality specimens of this species. Crystals have very obvious double Baveno-Manebach twins, and they are translucent and bright.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina (2004)
Specimen size: 6.8 × 6.1 × 4.8 cm = 2.68” × 2.40” × 1.89”

SM70MF: Ba-rich Microcline (variety hyalophane)

Crystal with multiple Manebach twins, translucent and shiny.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina (1989-1990)
Specimen size: 2.9 × 2.8 × 2.4 cm cm = 1.14” × 1.10” × 0.94”

SM90MG: Ba-rich Microcline (variety hyalophane)

Crystal with multiple Manebach twins, translucent and shiny.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina (1989-1990)
Specimen size: 2.8 × 2.2 × 2.9 cm cm = 1.10” × 0.87” × 1.14”

TB46G0: Ba-rich Microcline (variety hyalophane) on Quartz (variety smoky)

A group of prismatic crystals, with very good luster and definition of forms. It is attached to a matrix of Quartz, something that we had never seen before.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina (2004)
Specimen size: 7.5 × 6.3 × 3.3 cm = 2.95” × 2.48” × 1.30”

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

MT37AL9: Ba-rich Microcline (variety hyalophane) with Rutile inclusions

Floater polycrystalline growth of twinned crystals of Microcline (barium-rich variety hyalophane), from the classic Busovaca deposit, practically the only locality that has provided good collector specimens of this variety. The crystals are of good size, with very distinct double Baveno-Manebach twinning, translucent, lustrous, with abundant Rutile inclusions, which is unusual in this type of specimen.
Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia, Federation of Bosnia and Herzegovina Bosnia-Herzegovina
Specimen size: 9.5 × 5.4 × 5.8 cm = 3.74” × 2.13” × 2.28”

TM9AK3: Microcline

Sharp Microcline crystal, elongated and clearly twinned by the Baveno law. This specimen comes from a classic Japanese locality via the collection of Thomas P. Moore whose label we will send to the buyer.
Hirukawa, Nakatsugawa City, Gifu Prefecture, Chubu Region, Honshu Island Japan
Specimen size: 4 × 0.9 × 0.9 cm = 1.57” × 0.35” × 0.35”

SV75MTV: Microcline

Obtained at Sainte Marie 2022: Floater group of Microcline crystals with polycrystalline growths, well profiled, with very sharp crystal forms and a beautiful cream-white color.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (05/2022)
Specimen size: 8.7 × 8 × 5.2 cm = 3.43” × 3.15” × 2.05”

SV80MRB: Microcline

EBY13AO9: Microcline

Obtained at Ste. Marie 2022 Floater group of Microcline crystals in polycrystalline growth, with very sharp crystal forms and a beautiful cream-white color.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineralogical Record’ on page 663 in the volume 53, number 5, September-October 2022
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (05/2022)
Specimen size: 10.4 × 7.7 × 6.2 cm = 4.09” × 3.03” × 2.44”

NJ6AI0: Microcline

Aggregate of crystals with very well defined parallel growths, Manebach law twinned with a pale pink color.
Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya Spain (±2006)
Specimen size: 8.6 × 8.5 × 3.4 cm = 3.39” × 3.35” × 1.34”

Main crystal size: 2 × 1.9 cm = 0.79” × 0.75”

EFM14AO9: Microcline

Obtained at Ste. Marie 2022 Floater group of Microcline crystals in polycrystalline growth, with very sharp crystal forms and a beautiful cream-white color.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (05/2022)
Specimen size: 12.8 × 10.9 × 5.4 cm = 5.04” × 4.29” × 2.13”

MTT96AP3: Microcline

Obtained at Munich 2022 Group of deep pink and lustrous Microcline crystals, one of them clearly dominant, with very well defined double twinning by both the Baveno and Manebach laws. The specimen comes from finds made in the Imilchil area between August and September of 2022.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (08-09/2022)
Specimen size: 5.9 × 4.4 × 4.2 cm = 2.32” × 1.73” × 1.65”

Main crystal size: 3 × 2.5 cm = 1.18” × 0.98”

MX96AL3: Microcline

Very sharp elongated Microcline crystal, partially doubly terminated, on a base of the same mineral, with very well defined crystalline forms and with a very clearly seen Baveno-law twin. An Italian alpine classic. The specimen comes from the Carles Curto collection (no. 1970.03), whose label and information sheet we will send to the buyer.
Oltrefiume, Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piemonte) Italy (±1970)
Specimen size: 8 × 3 × 3.3 cm = 3.15” × 1.18” × 1.30”

MF63F5: Microcline (amazonite)

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”

Main crystal size: 7.8 × 5.7 cm = 3.07” × 2.24”

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”

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”

Main crystal size: 1.5 × 1.2 cm = 0.59” × 0.47”

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”

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