Mixed Minerals — Marin Mineral

Mixed Minerals
January 17, 2019 · 7 specimens

SM797 - Richterite sold

Langban, Filipstad, Varmland, Sweden
Small Cabinet - 5.7 x 3.7 x 2.5 cm

(click on an image to enlarge)

Aggregates of yellow prismatic micro crystals of Richterite with minor Calcite in association. Langban is the type-locality for this rare species.

SM798 - Richterite sold

Langban, Filipstad, Varmland, Sweden
Small Cabinet - 6.4 x 3.2 x 2.5 cm

(click on an image to enlarge)

Aggregates of yellow prismatic micro crystals of Richterite with minor Calcite in association. Langban is the type-locality for this rare species.

SM814 - Prehnite sold

Merelani Hills, Arusha, Tanzania
Small Cabinet - 6.0 x 4.0 x 3.0 cm

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Thick cluster of curved blue Prehnite crystals in the rough shape of a 'rosette' on Tanzanite and black Graphite matrix. The color of the blue changes in natural sunlight versus indoor lighting, and gets more deeply colored in the thicker parts. Complete all around, and though there is one area not well crystallized (showing as a lighter colored area), it is undamaged

SM815 - Prehnite $200 available

Merelani Hills, Arusha, Tanzania
Miniature - 3.7 x 3.2 x 2.0 cm

(click on an image to enlarge)

Outstanding, sharp cluster of blue Prehnite, crystallized in the form of a rosette. Rarely do you see blue Prehnites of this quality with such good crystal form. These are also color change, producing different shades of blue in indoor versus outdoor lighting.

SM816 - Prehnite $300 available

Merelani Hills, Arusha, Tanzania
Miniature - 3.6 x 3.0 x 2.1 cm

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SM817 - Azurite $225 available

Milpillas Mine, Cuitaca, Sonora, Mexico
Miniature - 3.2 x 2.7 x 1.0 cm

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Tabular, deep blue Azurite crystals with attached spheres of green Malachite from the area of the mine where the Volborthite was found. The Azurite has superb luster and areas of bright 'electric' blue color.

SM818 - Azurite $200 available

Milpillas Mine, Cuitaca, Sonora, Mexico
Thumbnail - 2.7 x 2.0 x 1.0 cm

(click on an image to enlarge)

Tabular, deep blue Azurite crystals with an attached sphere of green Malachite from recent finds at Milpillas, which have produced some spectacular Azurite crystals with vivid 'electric' blue color. This is a fine thumbnail sized specimen with no damage.

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