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Axinite is valued by collectors for its distinctive wedge-shaped crystals and pleochroic colors
Size: 120 x 90 x 60 mm
Heulandite was named in 1822 after John Henry Heuland
Some minor unknown tertiary mineral deposits present (the white mineral)
Amethyst Stalactite Slice from Uruguay green titanite Axinite is valued by collectorsAmethyst stalagmite stalactite slice from Artigas, Uruguay. Size: 61 x 50 x 5 mm. 28 grams Amethyst stalagmite slices are a type of mineral formation that occur when water containing dissolved silica and iron flows over the ceiling of a cave and forms icicle like structures. The iron gives the stalagtites a purple hue, while the silica crystallizes into quartz. When these stalagmites are cut into thin slices, they reveal a beautiful pattern of
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