4x6 mm Dendritic Opal Table Cut Corner Drilled Cube - 15-16 Inch Moss creamy white to pale gray

creamy white to pale gray or beige

Azurite is a soft

and most commonly found with black inclusions

Mixed Impression Jasper is a composite made by fusing stone fragments using heat

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

4x6 mm Dendritic Opal Table Cut Corner Drilled Cube - 15-16 Inch Moss creamy white to pale grayThis variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during the forming of the rock. Opals are hydrated amorphous forms of silica, created when silica hardens within the fissures of other stones.