Botswana Agate 8x10mm Tri Cut Faceted Rondelle - 15-16 Inch tucson2025-dd ” Tourmaline is unusual in

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

Jade refers to an ornamental mineral

Ruby is a precious gemstone known for its deep red color

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

Red Creek Jasper is named for the Red River in China where the stone was recently discovered

Botswana Agate 8x10mm Tri Cut Faceted Rondelle - 15-16 Inch tucson2025-dd ” Tourmaline is unusual inBotswana 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.