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1321211) Olivenite with Malachite - Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Size: 2.0 x 1.5 x 0.5 cm (thumbnail)
Price: $ 225 (=~ £ 145)
ex. Sal Avella collection.

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Deep green prismatic crystals of olivenite to 0.5 cm in size on a 2.0 x 1.5 x 0.5 cm matrix with green botryoidal malachite. Good example for the species. Ex Sal Avella collection.

1321245) Olmiite - N'Chwaning II Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
Size: 2.8 x 2.8 x 2.5 cm (thumbnail)
Price: $ 800 (=~ £ 515)
ex. Sal Avella collection.

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Large glowing ball-shaped crystal cluster of orange-red olmiite crystals, complete all around, with minor matrix attached. Light micro-chipping is present but sparse and not easily seen. Overall in very good condition. Great color, luster and shape. Measures 2.8 x 2.8 x 2.5 cm. Ex Sal Avella collection.

1321219) Parasymplesite - Ojuela Mine, Mapimi, Mun. de Mapimi, Durango, Mexico
Size: 3.0 x 3.0 x 2.3 cm (thumbnail)
Price: $ 750 (=~ £ 482)
ex. Sal Avella collection.

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Excellent for this rare species with bluish-gray spray of parasymplesite measuring 1.0 cm in height perched nicely upon a 3.0 x 3.0 x 2.3 cm matrix. In excellent condition as seen; very choice for the species. The matrix is covered by colorless calcite crystals. Ex Sal Avella collection.

1321533) Pectolite - Jeffrey Mine, Asbestos, Shipton Township, Richmond Co., Quebec, Canada
Size: 2.7 x 2.5 x 2.0 cm (thumbnail)
Price: $ 35 (=~ £ 23)
ex. Sal Avella collection.

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Wonderful grouping of prismatic pectolite crystals set up nicely from matrix. Shows all around and in great condition overall. Size: 2.7 x 2.5 x 2.0 cm. Ex Sal Avella collection.

1321660) Perovskite - Akhmatovskaya Kop', Nazyamskie Mts, Zlatoust, Chelyabinsk Oblast', Russia
Size: 2.0 x 1.8 x 1.5 cm (thumbnail)
Price: $ 75 (=~ £ 48)
ex. Sal Avella collection.

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Large loose black lustrous perovskite crystal measuring 2.0 x 1.8 x 1.5 cm. Partly complete on the back side; in great shape from the front. A fine large crystal for the species. Weighs 0.04 lbs. Ex Sal Avella collection.

1701026) Pezzottaite - Sakavalana mine, Ambatovita, Amoroni Mania Region, Fianarantsoa Province, Madagascar
Size: 1.8 x 1.5 x 0.7 cm (thumbnail)
Price: $ 200 (=~ £ 129) Click on any image to enlarge

A loose pink partly gemmy crystal of pezzottaite measuring 1.8 x 1.5 x 0.7 cm and weighing1 gram.

1701543) Probertite - U.S. Borax open pit, Boron, Kern Co., California, USA
Size: 2.5 x 2.0 x 1.5 cm (thumbnail)
Price: $ 35 (=~ £ 23) Click on any image to enlarge

Very fine for the species consisting of a loose 2.5 x 2.0 x 1.5 cm spray of probertite crystals. Shows all around. The specimen is neatly and attractively mounted with water soluble glue in a plastic "Perky Box". It is easily removed if you wish.

1321011) Proustite - Chanarcillo, Copiapo Province, Atacama Region, Chile
Size: 3.0 x 1.7 x 1.2 cm (thumbnail)
Price: $ 2000 (=~ £ 1287)
ex. Sal Avella collection.

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Lustrous glassy translucent red scalenohedral crystals of proustite to 1.0 cm in size covering the top of a massive proustite matrix. Shows all around; micro-chipping is present but overall this is in very good condition for one of these old classics. Measures 3.0 x 1.7 x 1.2 cm. Ref: The Mineralogical Record, 10(4), 197-204. Ex Sal Avella collection.

1321010) Proustite - Chanarcillo, Copiapo Province, Atacama Region, Chile
Size: 3.1 x 2.5 x 2.0 cm (thumbnail)
Price: $ 2000 (=~ £ 1287)
ex. Sal Avella collection.

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A 3.1 x 2.5 x 2.0 cm matrix, the top covered with deep red lustrous translucent proustite crystals to 0.5 cm in size. Some damage, typical of these, as seen. Still, a very fine and rich old-time classic. Chanarcillo was a major silver mining district; proustite specimens from here are always in high demand amongst collectors and are quite rare on the market. Ref: The Mineralogical Record, 10(4), 197-204. Ex Sal Avella collection.

1321012) Proustite - Freiberg District, Saxony, Germany
Size: 2.5 x 1.6 x 1.5 cm (thumbnail)
Price: $ 1250 (=~ £ 804)
ex. Sal Avella collection.

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Sharp red translucent crystals of proustite to 0.4 cm in size scattered over the front side of a 2.5 x 1.6 x 1.5 cm matrix. Some damage as seen; still, most of the prominent crystals are in great condition as seen. Good classic "ruby silver" thumbnail specimen. Neat example from this old silver mining district first worked in the 12th century. Ref: Lapis 11(7/8), 28-55. Ex Sal Avella collection.

1321152) Pyargyrite - St Andreasberg District, Harz Mts, Lower Saxony, Germany
Size: 2.3 x 2.0 x 1.2 cm (thumbnail)
Price: $ 1600 (=~ £ 1029)
ex. Sal Avella collection.

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Extremely choice and fine European classic thumbnail specimen with two terminated reddish-black pyrargyrite crystals forming a 2.3 x 2.0 x 1.2 cm cluster without matrix. Shows all around 360 degrees. Some damage is present on the lower back side of the piece; perfect from the front. Ex Sal Avella collection.

1043558) Pyrargyrite - 630 level, San Guillermo Vein, San Luis Shaft, Proano Mine, Mun. de Fresnillo, Zacatecas, Mexico
Size: 2.9 x 2.1 x 1.8 cm (thumbnail)
Price: $ 875 (=~ £ 563)
ex. Lloyd Tate Collection.

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Superb lustrous damage-free terminated crystals of pyrargyrite to 0.5 cm in size are forming an aesthetic 2.9 x 2.1 x 1.8 cm cluster. The quality is outstanding for the species! Ex Lloyd Tate collection.

1642506) Pyrargyrite - Freiberg District, Saxony, Germany
Size: 3.0 x 2.5 x 2.0 cm (thumbnail)
Price: $ 500 (=~ £ 322) Click on any image to enlarge

A 3.0 x 2.5 x 2.0 cm cluster of blocky semi-lustrous pyrargyrite crystals to 1.0 cm in size. No matrix; shows all around with one damaged crystal on the back side as seen. Perfect from the front and sides. Weighs 0.04 lbs.

4801504) Pyrargyrite - San Genaro Mine, Castrovirreyna District, Castrovirreyna Province, Huancavelica Department, Peru
Size: 2.0 x 1.6 x 1.3 cm (thumbnail)
Price: $ 200 (=~ £ 129)
ex. Ron Pellar collection.

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Very fine lustrous cluster of dark pyrargyrite crystals measuring 2.0 x 1.6 x 1.3 cm in size. No damage or chipping. Complete all around. With a little light red internal reflections are obvious. Ref: Hyrsl, et al.: Peru - Paradise of Minerals; pp 415 - 425. Ex Ron Pellar collection.

1043557) Pyrargyrite with Pyrite - San Luis Shaft, Fresnillo, Zacatecas, Mexico
Size: 3.0 x 2.0 x 1.1 cm (thumbnail)
Price: $ 350 (=~ £ 225)
ex. Lloyd Tate Collection.

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Brilliant lustrous undamaged crystals of pyrargyrite forming a 3.0 x 2.0 x 1.1 cm cluster. Complete all around; minor pyrite in association. Ex Lloyd Tate collection.

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