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Roselite  ~  Cluster of lustrous, gemmy crystals of Roselite in intensive violet/purple colour on matrix. ~ Morocco.

Roselite ~ Cluster of lustrous, gemmy crystals of Roselite in intensive violet/purple colour on matrix. ~ Morocco.

This 175.1-carat sapphire crystal reveals the typical natural shape of corundum crystals. To obtain the deepest color, gems are oriented so that the top of the cut stone is perpendicular to the length of the crystal. If this corundum crystal was cut, the faceted gems would probably be pink or purple in color. Today, ninety percent of corundum is heat-treated to enhance its color.  The Dynamic Earth @ National Museum of Natural History

This 175.1-carat sapphire crystal reveals the typical natural shape of corundum crystals. To obtain the deepest color, gems are oriented so that the top of the cut stone is perpendicular to the length of the crystal. If this corundum crystal was cut, the faceted gems would probably be pink or purple in color. Today, ninety percent of corundum is heat-treated to enhance its color. The Dynamic Earth @ National Museum of Natural History

Bloodshot Iolite. Known as the gemstone of the Vikings, Iolite was used by Norse and Viking explorers as a navigational aid, as a properly oriented stone would change color in relation to the direction of sunlight, allowing for crude navigation in the fog- enshrouded northern Atlantic waters where the direction of the sun was otherwise impossible to discern.

Bloodshot Iolite. Known as the gemstone of the Vikings, Iolite was used by Norse and Viking explorers as a navigational aid, as a properly oriented stone would change color in relation to the direction of sunlight, allowing for crude navigation in the fog- enshrouded northern Atlantic waters where the direction of the sun was otherwise impossible to discern.

Rhodochrosite on Quartz

Rhodochrosite on Quartz

Opal

Opal

titanium aura quartz. Ironic. My symptoms started with an aura and I ended up with a titanium plate affixed to my skull.

titanium aura quartz. Ironic. My symptoms started with an aura and I ended up with a titanium plate affixed to my skull.

Pixie village. Morwell National Park. Photo: Steve Axford

Pixie village. Morwell National Park. Photo: Steve Axford

Fluorite, Celestite, Mexico

Fluorite, Celestite, Mexico

Taouz Er Rachidia Morocco Description:	A towering aggregate of black botryoidal Goethite with little Vanadinite crystals all around it.

Taouz Er Rachidia Morocco Description: A towering aggregate of black botryoidal Goethite with little Vanadinite crystals all around it.

Cinnabar

Cinnabar

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