US$ 599.50
a microscopic protozoa with a silica shell
Its bright green coloration is due to traces of chromium
Mixed Lodolite is Quartz with inclusions of sand
Jade refers to an ornamental mineral
Black Obsidian 10x8mm Faceted Butterfly - 15-16 Inch With Matrix a microscopic protozoa with aEssentially a volcanic glass, Obsidian ranges in color from opaque black, to green, brown, mahogany, black with rainbow colors, black with snowflake patterns, black with a golden sheen, and translucent black (Apache Tears)