Sapphire 4mm Dark Blue Faceted Round A Grade - 15-16 Inch Red Aventurine This material is actually Serpentine

This material is actually Serpentine

While sometimes marketed as jasper

so only a finite amount of rough material remains

Additionally

with striking patterns that may resemble birch bark or wood grain

Sapphire 4mm Dark Blue Faceted Round A Grade - 15-16 Inch Red Aventurine This material is actually SerpentineSapphires are precious gemstones, but unlike rubies, they come in a rainbow of colors besides red! They are all varieties of the mineral corundum, known for its incredible hardness, second only to diamond . This makes sapphires very durable and scratch resistant. Formed deep underground during the cooling of magma, sapphires get their various colors from trace elements. Iron gives them blue, the most famous sapphire color, while titanium can create