Botswana Agate 8x10mm Tri Cut Faceted Rondelle - 15-16 Inch tucson2025-dd Many stones in the Russian

Many stones in the Russian crown jewels from the 17th century which were thought to be rubies are actually red Tourmaline

Golden Blood Quartz is a clear to milky to white silicon dioxide mineral

” Tourmaline is unusual in that it is both pyroelectric and piezoelectric

consisting of opaque rust to red glass with tiny flecks of glittering copper suspended within it

stalactites

Botswana Agate 8x10mm Tri Cut Faceted Rondelle - 15-16 Inch tucson2025-dd Many stones in the RussianBotswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth. This lava rolled across the landscape, depositing layer upon layer of Quartz silicate to create the banding and patterns now prized in Botswana Agate.