Dennis Kossow

Chrysocolla-impregnated Chalcedony, Malachite pseudomorphs after Azurite image

Chrysocolla-impregnated Chalcedony, Malachite pseudomorphs after Azurite

Amazonite, Albite, Smoky Quartz image

Amazonite, Albite, Smoky Quartz

Quartz with Rutile image

Quartz with Rutile

Muscovite image

Smoky Quartz, Muscovite image

Smoky Quartz, Muscovite

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