Amethyst Geode Cut Base - 215gm Brazil Rainbow Obsidian Smoky Quartz and Quartz)

Smoky Quartz and Quartz)

Sphere Stand - Aluminium

Smoky Quartz Bowl suitable for jewellery or holding tumbled stones

5cm x 7cm x 6

Amethyst Geode Cut Base - 215gm Brazil Rainbow Obsidian Smoky Quartz and Quartz)Amethyst Geode Free Standing Cut Base 215gm 7cm x 7. 5cm 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 trace amounts of iron within the quartz crystal structure, modified by natural