Hubei Turquoise 5-8x8-13mm Blue/Green/Brown Graduated Rondelle Beads - 15-16 InchONE OF A KIND! Hubei Turquoise is sourced from Hubei Province in Northern China, one of the most recognized turquoise producing regions in the world. This material is known for its vivid blues, rich greens, and bold black spiderweb matrixcreating highly distinctive, one of a kind beads. This collection features material sourced from the Joo shahn County mines, including the Chin goo 808 Mine, known for producing turquoise with strong color contrast

It often also occurs with colors of rust

deep-blue copper mineral produced by weathering of copper ore deposits

with a Mohs Hardness of 8

Pyhsically

When the level of iron oxide is high

control and orderliness

the darker the wood

” It is chemically identical to Granite

Good question

followed by a mild heat treatment gives it the bright yellow color

People will be "buzzing" about your creations

pink and golden mottling and spots within the primarily black stone