High Quality Rainbow Amethyst Freeform (5) AA often appearing together in swirls

often appearing together in swirls

essential oils

not on the surface

Silver Sheen Obsidian Buddha Head

173gm - 6cm x 5

High Quality Rainbow Amethyst Freeform (5) AA often appearing together in swirlsAmazing rainbow filled high quality Amethyst Geometric Shape with smoky sections adding to its brilliance approximately 5. 7cm x 4. 2cm Amethyst is a purple variety of quartz composed of silicon dioxide (SiO). It forms when quartz crystallises from silica rich fluids, most commonly in hydrothermal veins and in cavities within volcanic rocks such as basalt. Like all quartz, amethyst has a hardness of 7 on the Mohs scale. The purple colour is caused by