Macro of Boulder Opal - Quilpie, Australia

Minerals Minerals Minerals! - Boulder Opal - Quilpie, Australia

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Rose Quartz Geode - Druzy Cabochon | What is Druzy? Druzy crystals take hundreds or even thousands of years to form. They form as molten rock begins to cool with trapped gases inside. The gases cause gaps in the rock. As groudwater flows through these gaps for century after century, minerals crystalize on the rock--forming a blanket of intense crystalization.

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Rhodochrosite rosettes on Quartz - Romania

Bijoux et Minéraux

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Cheetah Agate. Cheetah Agate is a fairly new find from Brazil and only a couple of tons were imported into the country. Cheetah Agate is found in seams with Apatite that is being mined in Brazil. It's color and pattern are the reason it is called, and aptly so, Cheetah Agate.

Darrel Gulin Photography | Gallery | Rocks

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Pipe Opal from the Quilpie opal mining are Australia

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Koroit Opal

Koroit Opal News . . .: - A Very Nice Skinned Nut

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Opal

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Fossilized pine cone

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Fossilized in-ground Stegosaurus, Houston Museum of Natural Science | Flickr - Photo Sharing!

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SOLID BLACK OPAL FROM LIGHTNING RIDGE RARE CHAFF PATTERN Golden-Orange , Teal Green , Blue, AND PURPLE Colors are vibrant rich and bright the colours can be seen from all angles,26.90 CTS APPROX. PERFECT FOR DESIGNER PIECE

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Prehistoric Sea Lilies #hmnspaleo

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150 million years old fossil fish discovered in China, from the Mesozoic Jurassic period http://www.topnews.in/two-ancient-fish-fossils-found-sichuan-quarry-214891 F

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Aphanitic Volcanic Bomb. A volcanic bomb found in the Mojave Desert National Preserve. The smooth texture of this basaltic volcanic bomb is aphanitic. A volcanic bomb is a mass of molten rock (tephra) larger than 64 mm (2.5 inches) in diameter, formed when a volcano ejects viscous fragments of lava during an eruption. They cool into solid fragments before they reach the ground. Because volcanic bombs cool after they leave the volcano, they do not have grains making them extrusive igneous roc...

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Mexican Fire Agate a variety of chalcedony (SiO2), is a semi-precious natural gemstone found only in certain areas of northern Mexico and the southwestern United States.There is no actual object inside the stone, this special effect arises from light interference within the microstructure layering of the gem. Captain Tenneal's photostream. Shaped and polished piece.

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The Most Expensive Gemstones in the World Infographic - more on the site.

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CRYSTAL CHART

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amethyst

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rainbow calsilica

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Larimar Most of this is out of the Domican Republic

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the opals of the world

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Fire Opal in the rough

FIRE OPAL

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Bornite, aka peacock ore, is an important copper mineral #minerals #rocks #crystal

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Boulder opal - looks like a painting

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Spiderweb turquoise

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Bismuth Crystal

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