Darkened Calcite
The dark color of this piece of calcite is probably due to the presence of iron. 6 cm. Photograph by Peter B Tzannes, 2004
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Rocks
Calcite
A large and beautiful piece of calcite, found in a road cut near Fratsia. 16 cm across. Photograph by Peter B Tzannes, 2004
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Rhombohedral Calcite
This type of calcite is opaque and milky white, and cleaves into flat, shiny surfaces. 5 cm. Photograph by Peter B Tzannes, 2004
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Calcite formed on Limestone
Calcite minerals growing on a limestone host. 8 cm long. Photograph by Peter B Tzannes, 2004
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Stalagmite
This large stalagmite is so beautiful, we've included two pictures of it here. 20 cm x 28 cm. A generous gift from the family of Bill de Leeuw. Photograph by Peter B Tzannes, 2004
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