Natural Resouces

Natural Resouces

ITS–Amethyst is a quartz with a hardness of 7 on the Mohs scale and a relative impermeability of 2.65 just like other kinds of quartz. Amethyst is also a precious metal that results from hexagonal minerals forming Silicon ...

ITS–Smoky Quartz is a precious metal that results from hexagonal minerals forming silicondioxide (SiO2). Such a mineral is also called amorphous quartz or cryptocrystalline because it occurs either in transparent hexagonal crystals or in crystalline. Having a natural ...

ITS–Chrysocolla is a green compounded crystal of a mineral, (Cu, A1) and H2SiO2 (OH4), and H2O. The crystal appears ingreen to blue-green coruscationsin the seams of the oxidized zone of copper sulfide deposits. It is believed by some ...

ITS–A geode is a hollow, more or less globular body, up to 30 cm or more in diameter, found in certain limestone and volcanic rocks, and very rarely in shale. Significantfeatures include athin outer layerof dense Chalcedony, partial ...