Chalcedony var Agate ~ Estacion Moctezuma Mun. de Ahumada Chihuahua Mexico

Trinity Mineral Co Auction

auction1.mineral-auctions.com

opals australia | Australian Black Opal & Boulder Opal Specialist.Solid Opals for Sale ...

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gemstory.com.au

Boulder Opal Bead - love the cut. So full of character!

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opals-on-black.com

Linarite (blue) with Cerussite and Antlerite (green). From Caldbeck Fells, Cumbria, England, UK

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mineral-forum.com

Rhodochrosite - Stalactite ( thinly sliced segment)

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joias6.tumblr.com

Quartz with amethyst phantoms and large water bubble

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haufsbeautifulcreatures.tumblr.com

Bouquet Agate, Texas

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m.flickr.com

Agate from Zair Zaiane, Morocco

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spiriferminerals.com

COYAMITO pseudomorphe AGATE after ARAGONITE / Chihuahua, Mexico

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euromineral.fr

Fairburns / Jasper /Buffalo Gap Grasslands / S. Dakota

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flickr.com

Boulder Opal Split

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Gabriela Dascalu

PETRIFIED PALM ROOT from Sumatra, Indonesia

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samsilverhawk.com

Linda Marie Plume Agate from Oregon, USA

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Botryoidal, iridescent Goethite

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archaicwonder.tumblr.com

Fractal branching patterns in nature, Dendritic Agate Cabochon

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item.rakuten.co.jp

Dendritic Limestone

Jewelry Artist Magazine - Blogs - Jewelry Making Daily

jewelryartistmagazine.com

Dendritic Agate - gorgeous dendrites!

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amber-skies-with-dragons.tumblr.com

Lapis

archoninfinite. - de-preciated: Lapis

archoninfinite.com

The best lapis lazuli still comes from the Sar-e-Sang mines in Afghanistan, where the vivid blue rock was traded to Egypt and Sumer (Iraq) in ancient times, and later throughout the East and Europe.

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pbs.org

Himalayan lapis lazuli - Lapis Lazuli, Gemstones, Lapis Lazuli ...

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beautiful-minerals.tumblr.com

Lapis Lazuli - a combination of the mineral Lazurite- ( the dark blue component) Calcite ( the whitish parts) and often times but not always Pyrite ( the goldish bits) from Koksha Valley, Badakhshan Province, Afghanistan

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irocks.com

Afghan Lapis

Etsy
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etsy.com

Lapis lazuli

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samsilverhawk.com

Extremely rare - crystal of Azurite with partial ps. to chatoyant Malachite / Tsumeb, Namibia

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exceptionalminerals.com