1.29 gram Kazakhstan Turquoise TF2492 optical calcite though well-formed crystals can also

though well-formed crystals can also be found

from milky white to deep black

Chrome chalcedony often displays a rich green hue that can range from light and translucent to more intense and opaque

Unlike precious opal

1.29 gram Kazakhstan Turquoise TF2492 optical calcite though well-formed crystals can also1. 29 gram Kazakhstan Turquoise Approx. Dimensions: 0. 75x0. 5x0. 125 inches Approx. Weight: 1. 29 grams Locality: Altyn Tyube Area, Karaganda Region, Kazakhstan From the Altyn Tyube region of Kazakhstan, this beautiful blue turquoise is a rare find. This is from a very small parcel of material we received from a master lapidarist in Russia that collected the material himself. This piece is fully polished and has a flat backing of black onyx. Perfect