Gemmology

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’Jadeite Cabbage’ (Qing dynasty, 18th-19th century)

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Max Bauer, plate from the book Edelsteinkunde / Gemology, 1909. Leipzig, Germany. Via Bassenge

Link #max bauer #mineralogy #edelsteinkunde #minerals #edelsteine #gemstone #gemmology #gemology #gemstone science

Whopping aquamarineI’m a big fan of large crystals, though they only usually turn up in museum

Link #crystal #crystals #mineral #minerals #gemstone #aquamarine #gemmology #brazil #science #geology #the earth story

Gemstone shenanigansAs Pliny the elder once remarked back in the early days of the Roman Empire, the

Link #geology #science #gemmology #fraud #mineralogy #the earth story

Yellow TanzaniteWhile technically a plain old gem zoisite, it is the same mineral that is found in g

Link #mineral #tanzanite #zoisite #mineralogy #crystal #geology #science #gemmology #gemstone #color #the earth story #natural #mineralmonday

phenomenalgems:What’s up, Tumblr fam. We may not have officially met, but I’m Angel! I’m a registere

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gemmology

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The Rosser Reeves star ruby.Reputed one of the finest in the world, this 138.7 carat beauty graces t

Link #asterism #mineral #mineralogy #mineralmonday #crystal #needle #corundum #the earth story #cabochon #smithsonian #gemmology #gemstone

Spotlight on the gem world: The colour of Rubies.‘The price of wisdom is above rubies’ P

Link #science #light #mineral #diamond #spectroscopy #electromagnetic #radiation #spectrum #gemmology #the earth story

Yellow TanzaniteWhile technically a plain old gem zoisite, it is the same mineral that is found in g

Link #mineral #crystal #tanzanite #zoisite #tanzania #science #geology #stone #gemmology #gemstone #mineralogy #the earth story

Painite, as rare as it gets.Boron minerals are often chemically complex grab bags, with many differe

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Taaffeite, another gem rarity.We recently shared a lovely blue crystal of Jeremjevite (see http://on

Link #science #geology #mineral #crystal #mineralogy #gemstone #magnesiotaaffeite #spinel #gemmology #the earth story

Ruddy rutileThe most common form of titanium dioxide was named after the Latin for red, due to the l

Link #rutile #crystal #science #geology #pegmatite #titanium #mineral #gemmology #burma #mineralgoy #corundum #granite #the earth story

Beautiful TanzaniteI don’t think I’ve ever seen as rich a blue in a zoisite as this 10 c

Link #mineral #crystal #tanzania #tanzanite #gemmology #science #mineralogy #the earth story

The joys of fluidsThe insides of gems and crystals display a wide variety of wonderful kingdoms, man

Link #science #geology #stone #mineral #color #gemstone #mineralogy #gemmology #fluid #gemmologist #iridescent #the earth story

Goethite stars in amethystThe world of inclusions in gems bears testament to the geochemistry of cry

Link #mineral #minerals #science #crystal #crystals #goethite #amethyst #gemstone #gemmology #chemistry #geology #the earth story

Happy #EarthDay2016

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We all hide.Opal, mexico. field of view 3mm(A photomicrograph is an image taken with the aid of a mi

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some things are too strange and they’re beyond my skills to explain - so i just photograph them.opal

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This material is truly special. Ilmenite and hematite in orthoclase feldspar from Harts Range, Austr

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A Close Thing.3mm field of view inside #opal from Jalisco, Mexico.White #rhyolite matrix added pleas

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Abduction. Field of view = 3.05mm Opal, Jalisco, Mexico

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Video of a piece, temporarily called Ucalegon.The colors shift but the host is still.Opal, Jalisco,

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Shifting Perspective.After many many passes at this stone, it relented and gave me this beautiful, c

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