Marin Mineral
Tucson 2020 Minerals
February 19, 2020  ·  11 specimens

TR100 - Euclase  sold

La Marina Mine, Boyaca Dept., Colombia
Miniature - 3.8 x 1.2 x 1 cm



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Euclase Euclase Euclase Euclase

Long single blue Euclase with attached Albite crystals from the 2015 find. Terminated and glassy, contacted/cleaved along the side where the Albite is located. The upper termination area is highly transparent. Glassy faces on both sides.


TR101 - Euclase  sold

La Marina Mine, Boyaca Dept., Colombia
Thumbnail - 1.9 x 0.9 x 0.5 cm



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Euclase Euclase Euclase

Single blue Euclase crystal from the 2015 find. Terminated and glassy crystal with beautiful blue color. There is slight edge chipping on one side, a natural indentation along the base of the other side, and a chip on the back face. A beautiful rarity.


TR102 - Gold  sold

Black Hills, South Dakota, USA
Thumbnail - 1 x 0.5 x 0.4 cm



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Gold Gold

Water worn solid Gold nugget from the Black Hills in South Dakota, which are uncommon to find. Weighs 1.83 grams.


TR104 - Goethite on Quartz  sold

Tichka Massif, High Atlas Mtns., Morocco
Miniature - 3.8 x 3.6 x 2.5 cm



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Goethite on Quartz Goethite on Quartz Goethite on Quartz

Double-terminated Quartz crystal with a crest of Goethite crystals around the center. This is a real cute piece with both terminations sticking out either side of the spikey goethite. Sort of reminds me of a Hedgehog.


TR105 - Benitoite  sold

Gem Mine, San Benito Co., California, USA
Miniature - 4 x 3 x 2.5 cm



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Benitoite Benitoite Benitoite

Two deep blue Benitoite crystals on white Natrolite over a schist matrix. Stunning example with a large 2.8cm crystal and a smaller 1cm crystal in front. Undamaged and hard to find specimen.


TR106 - Zircon  sold

Mashewa, Tanga Region, Tanzania
Miniature - 3.5 x 1.8 x 1.7 cm



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Zircon Zircon Zircon Zircon

Large, dark red, gemmy Zircon. One of the larger, good quality crystals I have seen from this locality. Fine termination with typical dimpled surface texture on prism faces. A gemmy bright red color top to bottom when backlit. Weighs 36.6 grams.


M691 - Senegalite  sold

Kouroudiako, Tambacounda Region, Senegal
Small Cabinet - 7 x 4.5 x 3 cm



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Senegalite Senegalite Senegalite Senegalite

Yellow Senegalite crystals atop a blue Turquoise lined vug. Colorful, uncommon phosphate mineral specimen.


M651 - Sylvanite  sold

Portland Mine, Cripple Creek, Colorado, USA
Small Cabinet - 5.5 x 4 x 1.2 cm



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Sylvanite Sylvanite Sylvanite Sylvanite Sylvanite Sylvanite

Sylvanite crystals with Quartz crystals on both sides of thin rock matrix. Sylvanite is a telluride of Silver and Gold.


M659 - Benitoite  sold

Gem Mine, San Benito Co., California, USA
Miniature - 4.5 x 4.5 x 1.8 cm



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Benitoite Benitoite Benitoite

Deep blue Benitoite crystals to 1.8cm in size. Some have gem rough/transparent zones in their tips.


M656 - Garnet with Clinochlore  sold

Momand Agency, Pakistan
Miniature - 3.5 x 2 x 1.6 cm



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Garnet with Clinochlore Garnet with Clinochlore Garnet with Clinochlore

Orange garnet crystals and green Clinochlore on matrix. Largest garnet is 1cm, glassy and transparent. The only 'keeper' out of about 30 pieces I looked through.


M681 - Apatite on Quartz   $900  available

Panasquiera, Portugal
Small Cabinet - 9 x 5 x 3.5 cm



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Apatite on Quartz Apatite on Quartz Apatite on Quartz Apatite on Quartz

Cluster of 3 glassy blue Apatite crystals on a partial Quartz crystal.


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