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Amethyst, Amethyst Stufe Uruguay, A Qualität/ KG/ cm

This gorgeous opal looks like it has a nebula inside it

This is an American Contra Luz Opal from Opal Butte, Oregon. This Beautiful Gemstone Looks Like It Contains A Small Nebula.

Red beryl, the rarest gemstone on earth (worth 1000 times more than gold by weight). The "Crown of Fire" - a ct fancy cut red beryl gemstone Photo by Robert Weldon

Opal my most favourite of all crystals

Another angle of this 801 carat Boulder Opal shows the blues that come out under different light.Bill Kasso Z

Extremely rare scorpion and velvet mite in amber - La Bucara Mine, near Santiago, Dominican Republic


World-Class Gem-Quality Australian Black Opal—"The Stardust Opal". T-Bones Mine, Corcoran, New South Wales, Australia My favorite stone

Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate The Mohs scale of mineral hardness, based on scratch hardness

sun-hawk submitted: Amazing Rare Opalized Wood Boulder Opal with Bright Emerald Green and Blue Growth Rings.

Lightning Ridge Opal

Lightning Ridge light crystal opal " The rose bud" carved by Daniela l'Abbate. The pearlescent quality makes it seem slightly transparent.

Green Fluorite with Amethyst on Calcite

Minerals & Crystals — Green Fluorite with Amethyst on Calcite from China