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M9507299) Microlite - Macoa, Alto Ligonha District, Zambezia Province, Mozambique
Size: 22 x 18 x 16 mm (thumbnail)
Price: $ 1300 (=~ ¥ 128713) Click on any image to enlarge

A superbly crystallized example for this uncommon species from a new find! Glassy lustrous translucent reddish-brown octahedral crystals of microlite to 13 mm across are completely covering the front of a 22 x 18 x 16 mm matrix. Very sparse microscopic level chipping is seen on a few of the crystal edges, only viewed by my eyes with a 10x loupe. The overall quality is excellent for this species! I am told that it is possible that these are stannomicrolite, but more work needs to be done. These are rich in tin. Ref: The Mineralogical Record: 31: 6.

M9507309) Microlite - Macoa, Alto Ligonha District, Zambezia Province, Mozambique
Size: 23 x 18 x 25 mm (thumbnail)
Price: $ 3000 (=~ ¥ 297030) Click on any image to enlarge

An outstanding grouping of high quality reddish brown translucent glassy octahedral crystals of microlite, the largest measuring to 15 mm in size, are set nicely upon a 23 x 18 x 25 mm matrix. A very choice and superb large thumbnail/toe-nail example for this uncommon species! Very minor chipping is present on one crystal corner at the extreme left of the piece; otherwise exceptional in condition. From a recent find in this important pegmatite district. I am told that it is possible that these are stannomicrolite, but more work needs to be done. These are rich in tin. Ref: The Mineralogical Record: 31: 6.

1321015) Milarite - Giuv Valley, Tujetsch, Vorderrhein Valley, Grischun, Switzerland
Size: 2.5 x 1.5 x 0.5 cm (thumbnail)
Price: $ 1500 (=~ ¥ 148515)
ex. Sal Avella collection.

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An outstanding example for this species! Pale yellowish lustrous gemmy prismatic terminated crystals of milarite to 1.8 cm in length are forming a 2.5 x 1.5 x 0.5 cm cluster. Shows all around and in excellent condition. Ex Sal Avella collection.

1062481) Narsarsukite - Poudrette quarry, Mont Saint-Hilaire, Rouville RCM, Monteregie, Quebec, Canada
Size: 2.0 x 2.0 x 1.0 cm (thumbnail)
Price: $ 35 (=~ ¥ 3465)
ex. Steve Pullman collection.

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Two yellow platy narsarsukite crystals to 0.5 cm embedded in a 2.0 x 2.0 x 1.0 cm matrix. Ref: The Mineralogical Record, 21, 284-359. Mounted in a "Perky Box" for display, easily removed if desired by soaking for a short time in water. Ex Steve Pullman collection.

4801228) Nifontovite - Charcas, Mun. de Charcas, San Luis Potosi, Mexico
Size: 1.9 x 0.3 x 0.3 cm (thumbnail)
Price: $ 250 (=~ ¥ 24752)
ex. Ron Pellar collection.

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Water clear gemmy colorless single terminated loose crystal measuring 1.9 x 0.3 x 0.3 cm. No damage. Ref: Rocks and Minerals; 85, pp 165-169. Ex Ron Pellar collection.

1321211) Olivenite with Malachite - Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Size: 2.0 x 1.5 x 0.5 cm (thumbnail)
Price: $ 225 (=~ ¥ 22277)
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 (=~ ¥ 79208)
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 (=~ ¥ 74257)
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 (=~ ¥ 3465)
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 (=~ ¥ 7426)
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 (=~ ¥ 19802) 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.

1321010) Proustite - Chanarcillo, Copiapo Province, Atacama Region, Chile
Size: 3.1 x 2.5 x 2.0 cm (thumbnail)
Price: $ 2000 (=~ ¥ 198020)
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.

1321011) Proustite - Chanarcillo, Copiapo Province, Atacama Region, Chile
Size: 3.0 x 1.7 x 1.2 cm (thumbnail)
Price: $ 2000 (=~ ¥ 198020)
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.

1321012) Proustite - Freiberg District, Saxony, Germany
Size: 2.5 x 1.6 x 1.5 cm (thumbnail)
Price: $ 1250 (=~ ¥ 123762)
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 (=~ ¥ 158416)
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.

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