Graphite
Graphite is one of the world’s softest minerals, and forms in masses or sheets. It is opaque black, soft and light, and has a submetallic luster. 6 cm, northern Kythera. Photograph...
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Rocks
Aragonite
Aragonite has the same chemical composition as calcite, but crystallizes in a different pattern and doesn’t cleave as distinctly. This piece, 4.5 cm, was found near Fratsia. Photog...
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Mica Foil
Mica has a highly metallic luster, and when it forms in sheets over a host rock it looks as though the rock has been covered in metal foil. 7 cm, found in northwestern Kythera. Pho...
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Mica
Mica is found commonly in schists, its metallic luster is unmistakable. This small piece is 2.5 cm, found in northern Kythera. Photograph by Peter B Tzannes, 2004
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Peridotite
Peridotite is an ultramafic rock found on Kythera. It may be green, dark green, or black. This rounded, conical piece has the color of an avocado. 3 cm. Photograph by Peter B Tzann...
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