Marin Mineral
Len Pisciotta Collection
September 15, 2022  ·  10 specimens

An initial update of selections from the collection of California collector Len Pisciotta

MK932 - Cuprite  sold

Tsumeb, Namibia
Thumbnail - 2.7 x 2.5 x 1.5 cm



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Cuprite Cuprite Cuprite

Large 1.5cm single Cuprite crystal on matrix from Tsumeb. The Cuprite crystal is pristine and sits atop white Dolomite with areas of green Duftite adding color contrast. Ex. Len Pisciotta collection.


MK934 - Chalcopyrite on Chalcocite  sold

Tongshankou Mine, Daye Co., Huangshi, Hubei, China
Miniature - 3.7 x 2.7 x 2.2 cm



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Chalcopyrite on Chalcocite Chalcopyrite on Chalcocite Chalcopyrite on Chalcocite Chalcopyrite on Chalcocite

Cluster of elongated Chalcocite crystals coated by iridescent Chalcopyrite. This is a superb miniature as the vast majority have numerous small broken crystals - this one is nearly pristine all around. Ex. Len Pisciotta collection and comes with an old Trinity Minerals label.


MK935 - Gold  sold

Olinghouse Mine, Washoe Co., Nevada, USA
Small Cabinet - 8 x 5 x 1.5 cm



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Gold Gold Gold Gold Gold

Aesthetic and classic 'nests' of Gold from 1990s finds at the Olinghouse mine in Nevada. The Gold occurs as bright, shiny crystal groups in Calcite in multiple vugs across the specimen. Ex. Len Pisciotta collection and comes with an old Trinity Minerals label.


MK936 - Rutile in Quartz  sold

Novo Horizonte, Bahia, Brazil
Small Cabinet - 8.5 x 7.5 x 4 cm



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Rutile in Quartz Rutile in Quartz Rutile in Quartz

Cluster of light smokey Quartz crystals that are absolutely loaded with hair-like golden Rutile crystals. There are also small Hematite crystals with Rutile in areas. There are some damaged crystals but the large main crystals are pristine. Ex. Len Pisciotta collection (Len loves Rutile in Quartz and the collection contains a number of specimens).


MK937 - Apophyllite with Stilbite  sold

#2 Quarry, Pashan, Pune District, India
Small Cabinet - 6 x 4.5 x 3 cm



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Apophyllite with Stilbite Apophyllite with Stilbite Apophyllite with Stilbite Apophyllite with Stilbite Apophyllite with Stilbite

Highly aesthetic, transparent green Apophyllite crystals associated with white Stilbite blades. The main crystal and an attached, opposing crystal are 6cm tip to tip, with a doubly-terminated Apophyllite attached behind the larger crystal. This specimen presents beautifully for display. Ex. Len Pisciotta collection and comes with an old Andy Seibel label showing a price of $3,250.


MK939 - Wulfenite with Descloisite  sold

Los Lamentos, Chihuahua, Mexico
Cabinet - 11 x 6.3 x 3 cm



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Wulfenite with Descloisite Wulfenite with Descloisite Wulfenite with Descloisite Wulfenite with Descloisite Wulfenite with Descloisite

Gorgeous Los Lamentos Wulfenite specimen with very bright, lustrous crystals and aesthetic form. The Wulfenite crystals reach 1.6cm in size, have wonderful surface growth features, with some partially covered by brown Descloisite crystals. A couple broken crystals do not detract from the overall excellent quality and looks of this highly showy example. Ex. Len Pisciotta collection.


MK940 - Dioptase on Quartz with Hematite  sold

Kaokaveld, Namibia
Thumbnail - 2 x 1.5 x 1.2 cm



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Dioptase on Quartz with Hematite Dioptase on Quartz with Hematite Dioptase on Quartz with Hematite Dioptase on Quartz with Hematite

Colorful thumbnail-sized specimen of Quartz partially coated by red Hematite with two attached green Dioptase crystals. The crystals are undamaged and on a small shard of matrix. Ex. Len Pisciotta collection.


MK942 - Calaverite with Fluorite  sold

Cresson Mine, Cripple Creek, Teller Co., Colorado, USA
Cabinet - 10 x 6.5 x 3.5 cm



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Calaverite with Fluorite Calaverite with Fluorite Calaverite with Fluorite Calaverite with Fluorite

Colorful and rare specimen of Calaverite with purple Fluorite from Cripple Creek. Calaverite is a rare Gold Telluride mineral with the chemical formula AuTe2 and was first discovered in Calaveras County, California in 1861. Some of the most attractive specimens are those with Calaverite combined with bright purple Fluorite, such as this one. The Calaverite crystals reach 4mm in size and occur across the front face, bottom, and back of specimen. Ex. Len Pisciotta collection.


MK943 - Boracite  sold

Boulby Potash Mine, Loftus, Cleveland, England
Miniature - 4.3 x 2.5 x 2.5 cm



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Boracite Boracite Boracite

Bright, sparkling crystals of blue Boracite on the front and back of specimen. Colorful and rich example loaded with crystals. Ex. Len Pisciotta, Lindsey Greenbank, Scott Williams collections, with all 3 labels.


MK946 - Bastnasite  sold

Zagi Mountain, Peshawar District, Pakistan
Thumbnail - 3 x 2.5 x 2.5 cm



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Bastnasite Bastnasite Bastnasite Bastnasite

Large, chunky single Basnasite crystal from the well known Zagi Mountian locality in Pakistan, famous for spectacular Bastnesite crystals. In excellent condition and a highly translucent golden brown when backlit. Ex. Len Pisciotta collection.


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