Tochilinite with Dolomite and Uranopyrochlore
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The ArkenstoneFeatured
Grayish-white, coarse-grained dolomite matrix with minor magnesite hosts interstitial, black to bronze tochilinite crystals and clusters up to 1mm. A few dark equant "uranpyrochlore" (of Hogarth, 1977) crystals are scattered in the carbonate matrix. Tochilinite is a rare iron magnesium oxysulfide! Ex. Paulo Matioli collection.
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Mineral guide
Learn about Dolomite
classic carbonate prized for sculptural rhombohedra, luster, and colors from snow-white to pink, including cobaltoan varieties; ideal for cabinets.Regional guide
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