Amethyst is a variety of quartz that forms fine pyramidal crystals. Its name is of Greek origin. Its hardness is 7 and its specific gravity 2.65. It crystallizes in the orthorhombic crystallographic system and forms crystals in the shape of hexagonal prisms. It is an impressively beautiful material and meets all specifications to be used for crafting jewelry. However, its price is not very high because it is mined in large quantities.
Amazonite is a usually opaque, greenish-blue mineral. It took its name from the Amazon River where it was first found in 1850. Its copper content determines its colour, which varies from turquoise, blue, blue or pinkish-yellow. Today amazonite is found in the Ural Mountains in Russia, Colorado and Virginia, Australia and South Africa.
Tourmaline comprises a large range of sodium minerals and is available in a plethora ofcolors. This mineral is hard and transparent and very resistant to oxidation. Its name is derived from the Sinhalese word “tourmali”, which means “mixed”. It is supposed to strengthen the nervous system. Tourmaline comprises a large range of sodium minerals and is available in a plethora of colours. This mineral is hard and transparent and very resistant to oxidation.
Inclusions, cracks and breakage surfaces are a natural phenomenon and should never be associated with wear and tear.