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Mineral specimens search results for [ Microcline ]Page bottom

Ba-rich Microcline (variety hyalophane).
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 = 1.0” × 0.7” × 0.9”

Price: [SOLD]
Ba-rich Microcline (variety hyalophane).
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 = 1.5” × 1.3” × 0.6”

Main crystal size: 0.5 × 0.3 cm = 0.2” × 0.1”

Price: [SOLD]
Ba-rich Microcline (variety hyalophane).
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 = 1.3” × 1.1” × 1.1”

Price: [SOLD]
Ba-rich Microcline (variety hyalophane).
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 = 2.0” × 1.5” × 1.1”

Main crystal size: 2.6 × 2.3 cm = 1.0” × 0.9”

Price: [SOLD]
Ba-rich Microcline (variety hyalophane).
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 = 1.4” × 1.3” × 0.9”

Price: [SOLD]
Ba-rich Microcline (variety hyalophane).
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 = 2.7” × 2.4” × 1.9”

Price: [SOLD]
Ba-rich Microcline (variety hyalophane) on Quartz (variety smoky).
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 = 3.0” × 2.5” × 1.3”

Price: [SOLD]
Microcline.
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 Quarry, Nakatsugawa, Gifu Prefecture, Chubu Region, Honshu Island  Japan
Specimen size: 4 × 0.9 × 0.9 cm = 1.6” × 0.4” × 0.4”

Price: [SOLD]
Microcline.
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, Girona / Gerona, Catalonia  Spain (±2006)
Specimen size: 8.6 × 8.5 × 3.4 cm = 3.4” × 3.3” × 1.3”

Price: Euro:90 / US$99 / Yen:10790 / AUD$140
Microcline (amazonite).
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, Negele area, Sidamo  Ethiopia (2002)
Specimen size: 8.5 × 5.7 × 4.2 cm = 3.3” × 2.2” × 1.7”

Price: [SOLD]
Microcline (amazonite) with smoky Quartz.
MG12F6: Microcline (amazonite) with smoky Quartz
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, Negele area, Sidamo  Ethiopia (2002)
Specimen size: 4.2 × 4 × 4.4 cm = 1.7” × 1.6” × 1.7”

Price: [SOLD]
Microcline (variety amazonite).
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, Park County, Colorado  USA (±1990)
Specimen size: 9 × 7 × 4.5 cm = 3.5” × 2.8” × 1.8”

Main crystal size: 7 × 2.5 cm = 2.8” × 1.0”

Price: [SOLD]
Microcline (variety amazonite).
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 = 1.8” × 1.5” × 1.7”

Price: [SOLD]
Microcline (variety amazonite) "whitecap".
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 = 3.2” × 2.3” × 1.3”

Price: [SOLD]
Microcline (variety amazonite) with Albite.
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 = 2.2” × 2.0” × 1.1”

Price: [SOLD]
Microcline (variety amazonite) with Albite and Schorl.
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 = 2.2” × 1.8” × 1.1”

Main crystal size: 3.1 × 1.3 cm = 1.2” × 0.5”

Price: [RESERVED]
Microcline (variety amazonite) with Quartz (variety smoky).
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 = 3.3” × 3.0” × 1.8”

Price: [SOLD]
Microcline with Albite.
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  Spain (1975)
Specimen size: 3.9 × 3 × 1.9 cm = 1.5” × 1.2” × 0.7”

Price: [SOLD]
Microcline with Albite and Quartz.
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, Girona / Gerona, Catalonia  Spain
Specimen size: 15 × 10.7 × 5.3 cm = 5.9” × 4.2” × 2.1”

Price: [SOLD]
Microcline with Albite and Quartz (variety smoky).
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, Girona / Gerona, Catalonia  Spain (2004-2010)
Specimen size: 9 × 7.5 × 5.6 cm = 3.5” × 3.0” × 2.2”

Main crystal size: 5 × 3.2 cm = 2.0” × 1.3”

Price: Euro:160 / US$176 / Yen:19190 / AUD$250
Microcline with Prehnite and Calcite.
EP67AJ5: Microcline with Prehnite and Calcite
Aerial group of Microcline crystals with a very well defined double Baveno-Manebach twin, and with echeloned parallel growths and partially coated by Prehnite crystals with a pale green color and white Calcite crystals.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
Navazales Quarry, La Cabrera pluton, Valdemanco, Comarca Sierra de Guadarrama, Madrid, Community of Madrid  Spain (04/2001)
Specimen size: 11.1 × 8.6 × 7.3 cm = 4.4” × 3.4” × 2.9”

Price: [SOLD]
Microcline with Quartz (variety smoky).
DX11AH7: Microcline with Quartz (variety smoky)
Very sharp Isolated Microcline crystal with simple forms, with a particular shape that is well known as “coffin-like.” It is on matrix with white Albite crystals and smoky Quartz.
The Daunis collection was, in the 70’s and the 80’s, a reference for local prospectors of the Barcelona area.
Les Mallorquines, Sils, Comarca La Selva, Girona / Gerona, Catalonia  Spain
Specimen size: 4.6 × 2.7 × 2.5 cm = 1.8” × 1.1” × 1.0”

Main crystal size: 2 × 1.5 cm = 0.8” × 0.6”

Price: Euro:60 / US$66 / Yen:7190 / AUD$90
Microcline with Quartz (variety smoky).
DG11AH7: Microcline with Quartz (variety smoky)
Very sharp isolated Microcline crystals, one of them clearly dominant, with simple forms that have a particular shape that is well known as “coffin-like.” On matrix with white Albite crystals and smoky Quartz.
The Daunis collection was, in the 70’s and the 80’s, a reference for local prospectors of the Barcelona area.
Les Mallorquines, Sils, Comarca La Selva, Girona / Gerona, Catalonia  Spain
Specimen size: 6.2 × 3.3 × 3.1 cm = 2.4” × 1.3” × 1.2”

Price: Euro:60 / US$66 / Yen:7190 / AUD$90
Microcline with Quartz (variety smoky).
DC59AF8: Microcline with Quartz (variety smoky)
Group of Baveno law twinned Microcline crystals, mostly equant, but one of them clearly dominant and elongated, shows twinning by both the Baveno and Manebach laws. They are on matrix with Quartz crystals. The sample is from the first historic place of the earliest high quality amethyst finds at the Montseny massif decades before the modern finds.
We’ll send to the buyer a digitalized copy of a single label, commonly covering a group of similar samples from the same locality.
Les Mallorquines, Sils, Comarca La Selva, Girona / Gerona, Catalonia  Spain
Specimen size: 4.2 × 2.4 × 2.5 cm = 1.7” × 0.9” × 1.0”

Main crystal size: 1.4 × 0.4 cm = 0.6” × 0.2”

Price: [SOLD]
Microcline with Quartz (variety smoky).
NP14AJ5: Microcline with Quartz (variety smoky)
Microcline crystal with simple forms and skeletal growths and a smoky Quartz crystal with a very deep color and superficial recrystallization of white Quartz.
Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Girona / Gerona, Catalonia  Spain (2004-2010)
Specimen size: 6.2 × 6.2 × 5.3 cm = 2.4” × 2.4” × 2.1”

Price: Euro:90 / US$99 / Yen:10790 / AUD$140

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