Rocks

Calcite is a sedimentary mineral that occurs abundantly on Kythera in many structural forms. This tr...

Calcite can cleave into neat rectangular shapes. 2.5 cm long. Photograph by Peter B Tzannes, 2004

Calcite crystals, found near Fratsia. 10 cm long. Photograph by Peter B Tzannes, 2004

A wedge of translucent, golden calcite, 5 cm long. Photograph by Peter B Tzannes, 2004

A beautiful beach stone made of bands of calcite, pelites and limestone. 6 cm. Photograph by Peter B...

The dark color of this piece of calcite is probably due to the presence of iron. 6 cm. Photograph by...

A large and beautiful piece of calcite, found in a road cut near Fratsia. 16 cm across. Photograph b...

This type of calcite is opaque and milky white, and cleaves into flat, shiny surfaces. 5 cm. Photogr...

Calcite minerals growing on a limestone host. 8 cm long. Photograph by Peter B Tzannes, 2004

This large stalagmite is so beautiful, we've included two pictures of it here. 20 cm x 28 cm. A gen...

Stalagmites and stalactites are made of calcium carbonate, and formed in caves by dripping water. Th...

This 3.5-cm piece of calcite was found in the caves beneath Kypriotianika. Photograph by Peter B Tz...

This piece of calcite, growing on a host rock, is swirled and folded to look like a thumbprint. 11 c...

Concretionary calcite is formed by dripping water. These ‘fingers’ are similar in structure to stala...

Travertine is a noncrystalline form of calcite, opaque, massive, and colorful. It is formed during t...

Graphite is one of the world’s softest minerals, and forms in masses or sheets. It is opaque black,...

Aragonite has the same chemical composition as calcite, but crystallizes in a different pattern and...

Mica has a highly metallic luster, and when it forms in sheets over a host rock it looks as though t...

Mica is found commonly in schists, its metallic luster is unmistakable. This small piece is 2.5 cm,...

Peridotite is an ultramafic rock found on Kythera. It may be green, dark green, or black. This round...