Quartz Calcite Image

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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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