Hubei Turquoise 4mm Blue with Matix Round AA Grade - 15-16 Inch 01132022HMPG and this phenomenon is thought

and this phenomenon is thought to be due to impurities of yttrium or organic matter within the crystal lattice

the stones are closer to their natural state

and colors that include purples

It often also occurs with colors of rust

commonly known as Limestone

Hubei Turquoise 4mm Blue with Matix Round AA Grade - 15-16 Inch 01132022HMPG and this phenomenon is thoughtHubei 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 and dramatic