Amethyst Stalactite Slice from Uruguay green titanite You will receive one ten-gram

You will receive one ten-gram lot of natural

Size: 120 x 90 x 60 mm

Heulandite was named in 1822 after John Henry Heuland

oldearthminerals

Amethyst Stalactite Slice from Uruguay green titanite You will receive one ten-gramAmethyst 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