which when viewed from certain directions exhibits a brilliant spangled appearance
with examples of individual slabs
5 cm x 8 cm
The chemical formula for Black Tourmaline is NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
DRG142 Drilled Tabasco Geode features translucent blue-gray banded agate with a blue-gray druzy pocket
TKT115 Indochinite Tektite Jewelry Carvings which when viewed from certainIndochinites are tektites from the massive Australasian strewn field, which includes all varieties of tektites found in China, the Indochinese Peninsula, Philippines, Indonesia, Australia, and any Micronesian islands. These tektites are mostly black or very dark green, and can be in a variety of typical splash form tektites, like teardrops, spheres, ellipsoids, dumbbells, and even buttons. This piece is a bent teardrop shape, indicating various