kythera family kythera family


5406: Natural History Museum > Rocks

submitted by Museum Administration on 03.11.2004


Copyright (2004) Robin Tzannes

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 by Peter B Tzannes, 2004

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