Amethyst Stalactite Slice from Uruguay green titanite PLEASE NOTE: A 365 nm

PLEASE NOTE: A 365 nm long wave ultraviolet light and 254 nm short wave light were used in the fluorescent photos

Axinite is valued by collectors for its distinctive wedge-shaped crystals and pleochroic colors

This piece is from Sar-e-Sang

Size: 55 x 52 x 30 mm

oldearthminerals

Amethyst Stalactite Slice from Uruguay green titanite PLEASE NOTE: A 365 nmAmethyst 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