Brian Kosnar Mineral Classics

copper (multiple "spinel"-twins)

copper ("spinel"-twins)

copper (hoppered "spinel"-twins)

copper ("spinel"-twins and crystals)

copper ("spinel"-twins and crystals

copper ("spinel"-twin)

copper ("spinel"-twin)

copper ("spinel"-twins and crystals)

copper ("spinel"-twins and crystals)

copper

copper ("spinel"-twins and crystals)

beryl (var: aquamarine)

beryl (var: aquamarine)

beryl (var: aquamarine)

spinel (ruby spinel) (gem “floater”!)

spinel (ruby spinel) (gem “floater”!)

tourmaline (scepter)

spinel (ruby spinel) (gem “floater”!)

corundum (var: sapphire) (doubly terminated “floater”)

scapolite