US$ 57.00
a form of silica with a cryptocrystalline structure that incorporates Moganite along with the Quartz
but can be distinguished by its structure and its lower relative hardness
When tumbled it can have the look of polished steel
Additionally
Blue Porcelain Agate 10mm Round - 15-16 Inch Discontinued a form of silica withPorcelain Agate is a natural agate that is dyed and heated to give it the unique blue color and pattern that resembles porcelain.
US$ 57.00
US$ 35.98
US$ 85.00
US$ 42.70
US$ 18.00
US$ 23.45
US$ 350.00