Quartz Calcite Image

John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

TIMA - Mineral Analyzer

TESCAN Integrated Mineral Analyzer (TIMA)

RocKeeper is software designed to curate your collection the way it was meant to be curated. No awkward spreadsheets, no cumbersome forms adapted from other software. Just a nice, clean tool designed to really showcase your rock collection

Calcite, Quartz

Large Calcite Image

Mineral:

Calcite: CaCO3
Quartz: SiO2

Comments:

Purple-colored druse of amethystine quartz and white calcite.

Location:

Rio Grande do Sul, Brazil.

Scale:

Sample size 20 cm.

Copyright:

© Dave Barthelmy

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