Strawberry Quartz 7x10mm Faceted Tube - 15-16 Inch 1.7mm It is considered a precious

It is considered a precious Opal

and because its hardness has made the stone perfect for beads and cabochons

7mm thick or smaller

Mushroom Rhyolite is named for the naturally occurring stone pattern which often resembles mushrooms or other fungi

gray and brown banding and dendritic patterns

Strawberry Quartz 7x10mm Faceted Tube - 15-16 Inch 1.7mm It is considered a preciousStrawberry Quartz is a translucent, milky to pink silicon dioxide mineral. Its needle to like inclusions of hematite are iridescent red. Quartz has been highly valued by virtually every civilization throughout history, often used in healing and meditation and as religious objects in funerary rites and to dispel evil.