Amethyst Stalactite Slice from Uruguay Korite PLEASE NOTE: If you have

PLEASE NOTE: If you have a 395 nm light or a black light

Size: 61 x 35 x 7 mm

That color mix — cyan fluorescence with greener afterglow - is consistent with Mn-activated calcite with minor secondary activators and

and the source of the lapis that was used by the Egyptians over two thousand years ago

Size: 128 x 40 x 8 mm

Amethyst Stalactite Slice from Uruguay Korite PLEASE NOTE: If you haveAmethyst 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