Minerály a horniny Slovenska

Minerály a horniny Slovenska

rock classification cards

rock classification cards

Aquamarine with Muscovite

Aquamarine with Muscovite

Koroit Opal from Queensland, Australia

Koroit Opal from Queensland, Australia

Tsavorite | Buy #gemstones online at mystichue.com

Tsavorite | Buy #gemstones online at mystichue.com

Precious Opal from Virgin Valley, Nevada, on display at the 2012 Tucson Gem & Mineral Show in Arizona.

Precious Opal from Virgin Valley, Nevada, on display at the 2012 Tucson Gem & Mineral Show in Arizona.

Minerály a horniny Slovenska

Minerály a horniny Slovenska

Copper with Cuprite, Tsumeb, Namibia

Copper with Cuprite, Tsumeb, Namibia

Apophyllite

Apophyllite

Minerály a horniny Slovenska

Minerály a horniny Slovenska

Horniny a mineraly Milesovka

Horniny a mineraly Milesovka

Erythrite - Mt. Cobalt Mine, Queensland, Australia

Erythrite - Mt. Cobalt Mine, Queensland, Australia

Merelani Hills, Tanzania thumbnail Superb bi-color Tanzanite crystal from a new find at Merelani. Thick crystal with transparent yellow over a blue base. Along with the excellent transparency, the surface luster of the crystals from this find is also excellent. Natural, unheated gem Tanzanite crystal.

Merelani Hills, Tanzania thumbnail Superb bi-color Tanzanite crystal from a new find at Merelani. Thick crystal with transparent yellow over a blue base. Along with the excellent transparency, the surface luster of the crystals from this find is also excellent. Natural, unheated gem Tanzanite crystal.

Azurite and Malachite photo by R. Weller/Cochise College

Azurite and Malachite photo by R. Weller/Cochise College

Euchroite (Type Locality) from Lubietova, Slovenske Rudohorie Mts., Banska Bystrica Region, Slovakia  [http://img.irocks.com/2014-updates/OB...

Euchroite (Type Locality) from Lubietova, Slovenske Rudohorie Mts., Banska Bystrica Region, Slovakia [http://img.irocks.com/2014-updates/OB...

Telluronevskite.Colour:	Steel-grey.Type Locality:	Poruba pod Vihorlatom, Michalovce Co., Košice Region, Slovakia.

Telluronevskite.Colour: Steel-grey.Type Locality: Poruba pod Vihorlatom, Michalovce Co., Košice Region, Slovakia.

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