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Heulandite was named in 1822 after John Henry Heuland
Each lot is 10 grams total
PLEASE NOTE: A 365 nm long wave ultraviolet light and 254 nm short wave light were used in the fluorescent photos
Beautiful lavender lepidolite mica books with a terminated blue green apatite crystal and clevelandite
Amethyst Stalactite Slice from Uruguay green titanite Heulandite was named in 1822Amethyst 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
US$ 19.99
US$ 162.50
US$ 162.50
