Marin Mineral
Mixed Minerals from the 2023 Tucson Show
February 5, 2023  ·  13 specimens

LP779 - Siderite, Chalcopyrite  sold

Kaiwu Mine, Guizhou Prov., China
Small Cabinet - 7 x 5.5 x 4 cm



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Siderite, Chalcopyrite Siderite, Chalcopyrite Siderite, Chalcopyrite Siderite, Chalcopyrite

Bright metallic Chalcopyrite crystals intergrown with translucent, tan Siderite crystals. This is a well balanced example from this find in excellent condition with plenty of Chalcopyrite crystals well dispersed among the Siderite crystals.


LP780 - Datolite  sold

N'Chwanning II Mine, Northern Cape Prov., South Africa
Small Cabinet - 6.5 x 4.5 x 4 cm



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Datolite Datolite Datolite

Rare pink Datolite crystals from old, limited finds at the N'Chwanning Mine. The crystals are a well saturated pink color, lustrous with a soft glow similar to Rose Quartz when held near a light source. There is a wonderful small stalactite growth in the center and the bottom is also covered with crystals. Ex. Marshall Sussman personal collection.


LP781 - Feldspar var. Sanidine  sold

Itrongay, Betroka, Anosy Region, Madagascar
Miniature - 4.1 x 2.4 x 1.2 cm



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Feldspar var. Sanidine Feldspar var. Sanidine Feldspar var. Sanidine Feldspar var. Sanidine

Rare old time GEM Sanidine crystal. Feldspar is a mineral not ususally known for fine collector gem crystals, but at this locality in Madagascar, amazing water clear crystals are sometimes found. This is a doubly-terminated crystal in excellent condition, crystallized all around with exceptionally sharp form for the locality. The crystal has a strong yellow coloration and is internally transparent. The faces alternate from smooth and glassy on the narrow sides to a dimpled surface texture on the larger faces. Both ends have good bevelled terminations. Ex. Heinrich Prager collection.


LP782 - Willemite  sold

Tsumeb, Namibia
Cabinet - 9.5 x 6 x 4.5 cm



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Willemite Willemite Willemite Willemite

Intergrown spherical masses of translucent blue Willemite crystals over matrix. It's uncommon to find this combination of color, quality, and size in a Tsumeb Willemite.


LP784 - Apophyllite on Stilbite  sold

Jalgaon, Maharashtra State, India
Small Cabinet - 6 x 5.5 x 5 cm



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Apophyllite on Stilbite Apophyllite on Stilbite Apophyllite on Stilbite

Glassy, transparent green Apophyllite crystal surrounded by peach colored Stilbite crystals. The Apophyllite is 5.5cm tall and penetrates all the way through the Stilbite crystals. The truncated tip of the Apophyllite is natural growth and not a cleavage (there are small dimples and growth hillocks on the surface).


LP785 - Scorodite  sold

Hemerdon Mine, Pympton, Devon, England
Small Cabinet - 6 x 5 x 3 cm



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Scorodite Scorodite Scorodite

Large open vug in Quartz lined with blue Scorodite crystals. The crystals are numerous and reach 4-5mm in size. This specimen displays very well. Ex. Tim Sherburn collection.


LP786 - Calcite on Rosasite  sold

Mina Oujela, Mapimi, Durango, Mexico
Small Cabinet - 5.5 x 4.5 x 1.5 cm



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Calcite on Rosasite Calcite on Rosasite Calcite on Rosasite

Transparent Calcite crystals covering and included by blue/green Rosasite. This is in excellent condition and has great color and sparkle.


LP787 - Calcite on Inesite  sold

N'Chwanning Mine, Kuruman, N. Cape Prov., South Africa
Miniature - 4 x 2.5 x 2.5 cm



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Calcite on Inesite Calcite on Inesite Calcite on Inesite Calcite on Inesite

Densely packed, rounded clusters of red Inesite crystals with attached white Calcite crystals. A superb example from N'Chwanning much better than the more common drusy coatings of crystals. Complete and well crystallized all around.


LP788 - Andradite var. Melanite  sold

Kayes Region, Mali
Miniature - 5 x 4 x 2 cm



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Andradite var. Melanite Andradite var. Melanite Andradite var. Melanite

Sharp, glossy black Andradite crystals on matrix. The main crystal is well isolated and 1.5cm wide.


LP790 - Scorodite  sold

Mina Oujela, Mapimi, Durango, Mexico
Small Cabinet - 8.5 x 5 x 3 cm



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Scorodite Scorodite Scorodite

Large open vug in Limonite lined by small Scorodite crystals with a cluster of larger blue Scorodite crystals towards the top of the vug. The largest crystals reach 6mm wide.


LP791 - Scorodite  sold

Mina Oujela, Mapimi, Durango, Mexico
Small Cabinet - 6.5 x 5 x 3.5 cm



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Scorodite Scorodite Scorodite

Large, well formed Scorodite crystals on matrix. The crystals reach 1.3cm wide. When backlit the crystals show red coloration in areas. These were analyzed and trace Copper and Cobalt were detected which may be the cause of the red coloration.


LP699 - Covellite  sold

Butte, Silver Bow Co., Montana, USA
Small Cabinet - 5.5 x 4 x 3



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Covellite Covellite Covellite Covellite

Large foliated crystals of Covellite from Butte. The crystals show colorful irridescent colors and are associated with Pyrite crystals.


MK970 - Rutile with Quartz  sold

Novo Horizonte, Bahia, Brazil
Miniature - 4.5 x 3.5 x 3



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Rutile with Quartz Rutile with Quartz Rutile with Quartz Rutile with Quartz

A black Hematite crystal with radiating needles of golden Rutile partially included within a transparent smokey Quartz crystal.


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