Composition, color, PLACES: There are two varieties of quartz - fiber (microcrystalline) and granular (makrokristalin). Their general chemical formula of SiO2. The chalcedony microcrystalline quartz called small, the crystals are tiny, it looks like a solid mass. Makrokristaliniai Crystals - Quartz varieties of quartz crystals which are visible to the naked eye. Makrokristalinis Quartz - Rock crystal - clear, colorless quartz, free from impurities. Makrokristaliniai Crystals with iron impurities - amethyst, ametrinas, citrine, aluminum - smoky quartz and others. Makrokristaliniai Crystals with inserts - usually transparent rock crystal with inclusions of different minerals. Top - rutile and quartz turmalininis, rare crystals with garnet, pyrite, fluorite, hematite, lithium inserts.
Fiber type (microcrystalline) quartz more widespread than makrokristalinis - a solid colored stones (chalcedony), or striped or branched inserts - Agate.
Chalcedony group includes: Carnelian, Blood stone, onyx, jasper, carnelian, sardoniksas, chrysoprase, chrizokola.
Chalcedony jewelry just known as blue, waxy sheen stone. Mohs scale of hardness: 6.5-7. Chalcedony is found mainly in India, Burmoje, Madagascar, Brazil, Burm.
Esoteric effects: Native Americans used to call this stone and the use of sacred rites. It is believed that the stone nugena fear of blue chalcedony calm, balance, strengthens and improves the eloquence of expression.
Poviekis body: Increases stamina and vitality. Can be used in the early stages of diabetes, promotes secretion of milk-feeding mothers, soothes the respiratory tract illnesses, reduces fever and helps save vision.
