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Rutile | Rutile & K Feldspar | Rocks and Minerals

Manganese Oxide minerals have been used for thousands of years—by the ancients for pigments and to clarify glass, and today as ores of Mn metal, catalysts, and battery material.

RUTILE, HEMATITE - 3,7 x 3,6 cm Novo Horizonte, Bahia, Northeast Region, BRASIL

Rare Limonite coated Quartz - Slovakia

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Clinozoisite: a complex sorosilicate of calcium and aluminum. Pakistan

Calcite on Améthyst from Brazil(pièce de musée)

4.0 x 3.2 x 1.2 cm. A striking specimen of this now well-known combo from Brazil, combining shimmering, bright golden acicular rutile crystals with shiny-metallic, platy crystals of hematite. This specimen has two stacked crystals side by side, and is beautiful on both sides - complete all around, with the contact on the bottom. The hematite really gleams, like a polished metal machine part!

Top 18 des plus beaux minéraux et cristaux du monde, oh un joli caillou

On ne le répètera jamais assez, mais mère Nature nous a offert de tendres cadeaux. Certes, la géologie n'est pas un sujet sexy au premier abord, mais ça peut être somptueusement beau quand on y regard

patternation: SPHALERITE ((Zn,Fe)S) - a zinc mineral