Minera

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stephenearp:Fracture lines, mineral deposits and the locals

veggeologist:Myrmekitic textureAn intergrowth texture created when plagioclase feldspar and quartz g

gloomywormwood:My petrography course is over.

HeulanditeWhile strictly the name of a family of minerals, a sub class of the zeolite series that pr

Marine mineralsLike a clump of sea urchins lurking in a coral cavelet, beautiful sprays of the zeoli

Thomsonite on HeulanditeWe have here two minerals of the zeolite family that forms when heated hydro

Cavansite These stunning greens are deposited in cavities within basaltic and andesitic lavas after

ifuckingloveminerals:Vanadinite, Galena, QuartzThe vanadinite has the brilliant red color in this sh

The Sacred Emerald BuddhaCarved in Thailand during the last decade from a huge 3,600 carat piece of

gingerrhapsody:studying for igmet is never boringI teach that class, and yes, we still laugh at that

optical-mineralogy: The plagioclase in this thin section has polysynthetic twinning. The orthopyroxe

emeraldcityminerals:A jumble of bright-red, lustrous, gemmy vanadinite (Pb5(VO4)3Cl) crystals on per

Calcite coating Mottramite stalactiteMottramite is part of what is known as a solid solution series,

What a lovely garnetThe beautiful green grossular (calcium rich) garnet known as Tsavorite is only f

Vanadinite on a goethite matrix.These beautiful orange crystals are the main source of Vanadium and

Merelaniite: From muck to brassThe Merelani Hills of Tanzania have revealed the latest entry to the

chaosophia218:Antique illustration of Crystals, 1886.

Found this illustrated Santa Vittoria Mineral Water ad on the back of Frankie magazine ;-)

nastyrutobuka:I had this idea for so long, about Thorin comparing stretchmarks with veins of mineral

bijoux-et-mineraux:Unusual Seymchan Meteorite Slice with Chromite This slice weighs 565.6 grams and

Black and magnetic, Magnetite

Someone is holding a pallasite - a “stony iron” meteorite consisting of iron metal

What’s under your feet?Have you ever dug into the ground and noticed that, even in the midst o

JacobsiteNamed in 1869 after the mine in Finland where it was first identified (a place known as the

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