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2y
Aegirine, Quartz v. Smoky, Arfvedsonite
Aegirine, Quartz v. Smoky, Arfvedsonite
5 Beautiful Pictures of Osmium, the Rarest Natural Earth Element
Osmio
Cassiterite
A fine specimen of intergrown very lustrous single and twinned Cassiterite crystals measuring to 2.2cm with a very dark brown colour. A neat cluster of Cassiterite crystals on Muscovite matrix, from an area that straddles the German Czech border.
tardis-blue-the-tardis. #beautiful #minerals