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osmium
24 avril 2014

Prehnite, Tanzanite, Celestite, Natrolite, Osmium, Quartz, Epidote

Prehnite, Tanzanite, Celestite, Natrolite, Osmium, Quartz, Epidote
Quartz and Epidote - Imilchil, Morocco Natrolite - Imilchil, Morocco Prehnite on Tanzanite Osmium Celestite
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27 octobre 2012

Osmium twinning

Osmium twinning
Osmium twinning. Osmium is a hard, brittle, blue-gray or blue-black transition metal in the platinum family and is the densest naturally occurring element, with a density of 22.59 g/cm3 (slightly greater than that of iridium and twice that of lead).