Larimar 6-12mm Graduated Rondelle with Matrix - 15-16 Inch R1261 Onyx is a black and

Onyx is a black and white banded Chalcedony

The Peruvian material has a lighter tone of Pink than deposits found in other parts of North and South America

They are all varieties of the mineral corundum

and therefore contains unsealed granite

use it for anklets

Larimar 6-12mm Graduated Rondelle with Matrix - 15-16 Inch R1261 Onyx is a black andLarimar is a translucent blue, turquoise and white stone that can have streaks and patterns of white, as well as red or brown either from oxidation or Hematite inclusions. It is a rare variety of Pectolite, found only in the Dominican Republic. Copper within the Pectolite creates the beautiful blue and turquoise colors in the stone. The blue colors are photosensitive and may fade when exposed to excessive light or heat.