Quartz Calcite Image |
Mineral: | Quartz: SiO2 Calcite: CaCO3 | |||||
Comments: | Purple-colored druse of amethystine quartz and white calcite. | |||||
Location: | Rio Grande do Sul, Brazil. | |||||
Scale: | Sample size 20 cm. | |||||
Copyright: | © Dave Barthelmy | |||||
Counter: | This Image has been shown 890 times | |||||
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