Ice Obsidian 5x15mm Chip - 8-InchIce Obsidian is a light brown to green to gray volcanic stone. Obsidian is formed when felsic lava cools without crystal growth. It is sometimes used for scalpel blades in cardiac surgery, as Obsidian can be formed into a blade many times sharper than steel surgical blades.

This prompted an alternative name for the gemstone: Princess Blue

Our Lapis is 7-8mm in diameter

the easy-on-the-eyes nature of a pale yellow color

It may be completely clear and colorless or smoky

Note – Due to the unique hand-made manufacturing process of these beads

but is also said that it can enliven and promote happiness

Howlite can be easily dyed and is often treated to be blue for use as a substitute for turquoise

The mines these stones are sourced from are primarily copper mines

A natural blue form of calcium sulfate

Shattuckite is a pseudomorph

It is a particularly unusual gem because it exhibits a special optical property known as "tenebrescence

These mines are also famous for sourcing North-American Jasper