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Mineral specimens search results for [ ]   Price range:Page bottom

Orpiment.
TAC16AN3: Orpiment
Group of Orpiment crystals on matrix, of good size, with very sharp crystal forms, translucent, with good luster and an intense color. A USA classic found only for a short time. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Twin Creeks Mine, Potosi District, Osgood Mountains, Humboldt County, Nevada  USA
Specimen size: 3 × 3 × 1.8 cm = 1.18” × 1.18” × 0.71”

Price: [SOLD]
Orpiment.
GH61T2: Orpiment
Classical aggregate of Orpiment from Quiruvilca, with well developed crystals that have polycrystalline terminations. They are translucent and a very vivid orange color. On matrix, with minor Pyrite.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru (±1985)
Specimen size: 8.4 × 7.4 × 4.3 cm = 3.31” × 2.91” × 1.69”

Main crystal size: 2.1 × 2 cm = 0.83” × 0.79”

Price: [SOLD]
Orpiment.
VK49Y5: Orpiment
Group of crystals, on matrix, with very well defined faces and edges, translucent, with an orange color and a very intense luster. The crystals, very luminous, have been magnificently preserved despite the long time that has passed since the sample was recovered in 1978. Such samples are currently considered as Peruvian classics.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru (±1978)
Specimen size: 5.7 × 5.2 × 3 cm = 2.24” × 2.05” × 1.18”

Price: [SOLD]
Orpiment.
T19X: Orpiment
Excellent color.
Twin Creeks Mine, cut 62, Potosi District, Osgood Mountains, Humboldt County, Nevada  USA (04/99)
Specimen size: 4.5 × 2.5 cm = 1.77” × 0.98”

Price: [SOLD]
Orpiment.
JT46F9: Orpiment
¡Superb! Exceptional brightness and color make this a superb specimen enhanced by remarkable crystal size and sharpness. All of these features combine to put the piece among the best from this well-known mine. The sample, absolutely unaltered even considering the passing of years, is from an accredited collection. We’ll send the collection label with the specimen.
Twin Creeks Mine, cut 62, Potosi District, Osgood Mountains, Humboldt County, Nevada  USA (04/1999)
Specimen size: 6.3 × 6 × 3.3 cm = 2.48” × 2.36” × 1.30”

Price: [SOLD]
Orthoclase.
MM6AM7: Orthoclase
Floater crystal of Orthoclase with very sharp crystal forms, with Carlsbad-law twinning, good luster and an unusual degree of transparency for the species.
We will ship the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
Niaslo, Basha Valley, Shigar District, Gilgit-Baltistan (Northern Areas)  Pakistan
Specimen size: 3.3 × 2 × 1.2 cm = 1.30” × 0.79” × 0.47”

Price: [SOLD]
Orthoclase (Carlsbad twin).
JFD46AN8: Orthoclase (Carlsbad twin)
Saying the word Zarzalejo and thinking of Carlsbad twins is pretty much the same thing. Generations of collectors have gone there to scratch around and find little treasures. Let us add that the orthoclases from Zarzalejo tend to be more 'fresh', less weathered, than those from other places.
Zarzalejo, Comarca Sierra Oeste, Community of Madrid  Spain
Specimen size: 4.5 × 4.1 × 2.3 cm = 1.77” × 1.61” × 0.91”

Price: [SOLD]
Orthoclase (variety adular), Chlorite.
20CRB46: Orthoclase (variety adular), Chlorite
Parallel aggregates of white Orthoclase crystals (variety adularia), with distinct growth striations, perfectly defined faces and edges, and interpenetration twins, all dotted with a multitude of deep green Chlorite crystals. The specimen comes from the former collection (duplicates) of Carles Curto (number 2002.16), whose label and computer file we will send to the buyer.
Sustenhorn, Sandbalm, Voralp Valley, Göscheneralp, Göschenen Valley, Göschenen, Reuss Valley, Uri  Switzerland (±2002)
Specimen size: 7.8 × 6.8 × 5.4 cm = 3.07” × 2.68” × 2.13”

Main crystal size: 6.1 × 4.3 × 3.5 cm = 2.40” × 1.69” × 1.38”

Price: [SOLD]
Orthoclase (variety adularia).
TX10AN1: Orthoclase (variety adularia)
Group on matrix of very sharp Orthoclase crystals (variety adularia), with distinct parallel growths, snow-white, with good lustre. An alpine classic. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label, which shows that it was previously in the Melanson collection.
Pailgrat, Hollersbach im Pinzgau, Zell am See District, Salzburg  Austria
Specimen size: 3.4 × 2.7 × 2.5 cm = 1.34” × 1.06” × 0.98”

Price: [SOLD]
Orthoclase (variety adularia).
EXP98AP4: Orthoclase (variety adularia)
Very aerial parallel growths of sharp Orthoclase (adularia variety) crystals, with good luster and a snow-white color. On matrix. It comes from the Senckenberg Museum in Frankfurt and has several old labels with it.
Maderanertal, Amsteg, Uri  Switzerland
Specimen size: 7.4 × 5.7 × 4.1 cm = 2.91” × 2.24” × 1.61”

Main crystal size: 1.2 × 0.5 cm = 0.47” × 0.20”

Price: [SOLD]
Orthoclase (variety adularia).
RM6G2: Orthoclase (variety adularia)
A classic alpine sample (is the variety adularia). A Floater, more clear than usual with a very intense vitreous luster.
Cavradi, Curnera Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden)  Switzerland
Specimen size: 5.8 × 4 × 3.5 cm = 2.28” × 1.57” × 1.38”

Price: [SOLD]
Orthoclase (variety adularia).
RP96J3: Orthoclase (variety adularia)
The crystal is considerably transparent and has very well defined faces and edges. It is only partially covered by Chlorite.
The specimen is noted as purchased in 1949 and it is with a manuscript label of Folch we’ll send to the buyer.
Gerenthal, Oberwallis  Switzerland (±1949)
Specimen size: 5.7 × 5 × 2.8 cm = 2.24” × 1.97” × 1.10”

Price: [SOLD]
Orthoclase (variety adularia) with Chlorite.
RA27AE4: Orthoclase (variety adularia) with Chlorite
Floater aggregate of very sharp crystals that are translucent white with Chlorite inclusions in some areas and a small Quartz crystal. A Swiss classic of very good quality.
Tiefenbach, Urseren, Uri  Switzerland (±1949)
Specimen size: 9 × 8.7 × 5.2 cm = 3.54” × 3.43” × 2.05”

Price: [SOLD]
Orthoclase (variety adularia) with Chlorite.
RE16K4: Orthoclase (variety adularia) with Chlorite
Manebach twin of two crystals with selective inclusions of Chlorite: some of the faces have the inclusions while others are completely free of them.
Binntal, Wallis  Switzerland (1949)
Specimen size: 2.6 × 2.4 × 2.4 cm = 1.02” × 0.94” × 0.94”

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

Price: [SOLD]
Orthoclase (variety adularia) with Chlorite.
RD16K4: Orthoclase (variety adularia) with Chlorite
Manebach twin of two crystals with selective inclusions of Chlorite: some of the faces have the inclusions while others are completely free of them.
Binntal, Wallis  Switzerland (1949)
Specimen size: 2.7 × 2.4 × 2.4 cm = 1.06” × 0.94” × 0.94”

Price: [SOLD]
Orthoclase (variety adularia) with Chlorite.
VC37Z4: Orthoclase (variety adularia) with Chlorite
Parallel growths of Orthoclase (variety adularia) crystals that are very bright, translucent, have very well defined faces and edges and are with oriented growths of dark green Chlorite. A Swiss classic.
Central St Gotthard Massif, Leventina, Ticino (Tessin)  Switzerland (±1979)
Specimen size: 9.8 × 6.2 × 4.8 cm = 3.86” × 2.44” × 1.89”

Price: €180 / US$191 / ¥29360 / AUD$290
Orthoclase (variety adularia) with Chlorite and Hematite.
RG14K4: Orthoclase (variety adularia) with Chlorite and Hematite
Parallel growth of sharp crystals of very well defined faces and edges, clean, translucent and bright on one of the sides of the sample and with Chlorite inclusions on the opposite.
Maderanertal, Uri  Switzerland
Specimen size: 3.2 × 3 × 2.4 cm = 1.26” × 1.18” × 0.94”

Price: [SOLD]
Orthoclase (variety adularia) with chlorite and Hematite.
RF16K4: Orthoclase (variety adularia) with chlorite and Hematite
Parallel growths of adularia crystals of tabular appearance, very rich in chlorite inclusions and also with very bright Hematite inclusions.
Maderanertal, Uri  Switzerland
Specimen size: 4.3 × 3.4 × 2.8 cm = 1.69” × 1.34” × 1.10”

Main crystal size: 2.2 × 1.7 cm = 0.87” × 0.67”

Price: [SOLD]
Orthoclase (variety adularia) with Clinochlore.
RD71M0: Orthoclase (variety adularia) with Clinochlore
Two very sharp and twinned Orthoclase (variety adularia) crystals, with an excellent color and brilliance, with some inclusions of Clinochlore. On a matrix covered by small adularia and Quartz crystals.
The handwritten Folch label states that it was bought directly from a mountain guide in 1957.
Grossvenediger (northwest), Obersulzbach Valley, Hohe Tauern, Salzburg  Austria (±1957)
Specimen size: 14.5 × 11.5 × 11 cm = 5.71” × 4.53” × 4.33”

Price: [SOLD]
Orthoclase (variety adularia) with Clinochlore.
TM96H9: Orthoclase (variety adularia) with Clinochlore
Excellent group of crystals with very sharp faces and edges, partially covered by Chlorite and with very marked Baveno twins. Very esthetic.
Valais  Switzerland (±1970)
Specimen size: 11.3 × 7.7 × 4 cm = 4.45” × 3.03” × 1.57”

Main crystal size: 5.1 × 4.5 cm = 2.01” × 1.77”

Price: [SOLD]
Orthoclase (variety adularia), Chlorite.
22TXM13: Orthoclase (variety adularia), Chlorite
Group of Orthoclase crystals (variety adularia) formed by a main group of sharp flattened crystals intertwined with others of lesser dimensions and all of them completely covered by Chlorite crystals that give the specimen a mossy appearance. It comes from the old collection of Robert-Auguste Touchon, one of a batch of pieces from Pizzo Centrale in Switzerland, an area well known to collectors.
Pizzo Centrale, Airolo, Central St Gotthard Massif, Leventina, Ticino (Tessin)  Switzerland
Specimen size: 5.1 × 2.6 × 2.6 cm = 2.01” × 1.02” × 1.02”

Price: [SOLD]
Orthoclase after Leucite (variety pseudoleucite).
TLB86AP3: Orthoclase after Leucite (variety pseudoleucite)
Floater group of Leucite crystals pseudomorphed by Orthoclase, maintaining the very well defined original trapezohedron forms, and less corroded than is usual in such specimens.
Loučná pod Klínovcem, Chomutov District, Ústí nad Labem Region  Czech Republic
Specimen size: 4.3 × 4.2 × 4.1 cm = 1.69” × 1.65” × 1.61”

Price: [SOLD]
Orthoclase twinned.
NBF76AO5: Orthoclase twinned
Orthoclase crystal with very sharp faces and edges and a very well defined double Baveno-Manebach twin. 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.
Bustarviejo, Comarca Sierra Norte, Community of Madrid  Spain
Specimen size: 7.6 × 3.3 × 2.8 cm = 2.99” × 1.30” × 1.10”

Price: [SOLD]
Orthoclase with Albite and Quartz.
NM58M9: Orthoclase with Albite and Quartz
The pink crystals of Orthoclase are small, very well defined, and have epigenetic growths of Albite. The matrix is also very rich in Albite and has Quartz crystals. The piece is from a well known locality but which has yielded few significant specimens.
La Batllòria, Sant Celoni, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain
Specimen size: 6.6 × 5.3 × 3.3 cm = 2.60” × 2.09” × 1.30”

Main crystal size: 0.9 × 0.6 cm = 0.35” × 0.24”

Price: [SOLD]
Orthoclase with Quartz (variety smoky).
JFD21AN6: Orthoclase with Quartz (variety smoky)
Another proof of Lluís Daunis's good work as a field collector. This time with a specimen from the Sierra de Madrid with very clean and 'fresh' Orthoclase crystals and with Quartz crystals (smoky variety), well separated and quite perpendicular to the Orthoclase crystal plate. It should be noted that I have it listed as Orthoclase and not Microcline as per personal communication from the Geological and Mining Institute of Spain, in Madrid.
(La Cabrera pluton), La Cabrera, Comarca Sierra Norte, Community of Madrid  Spain
Specimen size: 10.4 × 9.3 × 3 cm = 4.09” × 3.66” × 1.18”

Price: [SOLD]

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Express Minerals
by C. Manresa
Expominerals (Virtual Shows)
Expominerals
Updates
Updates
Minerals - Virtual Museum (#MVM)
Minerals - Virtual Museum
(#MVM)