OBSIDIAN Rainbow Medium ( 3/4 to 1") polished volcanic glass 1/2 lb abalone paua shell SIZE: Most are 1-1/4" or

SIZE:  Most are 1-1/4" or larger

These rough QUARTZ CRYSTAL chunks

PICTURES:  The picture is typical of the size and quality and may not be the exact stones you receive

Microcline forms during slow cooling of orthoclase

OBSIDIAN Rainbow Medium ( 3/4 to 1") polished volcanic glass 1/2 lb abalone paua shell SIZE: Most are 1-1/4" orRainbow Sheen OBSIDIAN These polished Rainbow sheen OBSIDIAN stones are a black volcanic glass with a rainbow sheen. They are clean and sorted. Obsidian comes in a variety of different types, including several "sheens". The three primary sheens are gold, silver and rainbow, but there are a plethora of other sheen that people ascribe to obsidian in order to make them distinctive. You may see obsidian advertised with various sheens like fire or borealis