Quartz : Gemoptions Jewelry!, Christian Faith & Fashion Jewelry

Smoky Quartz Gemstone Information Information * Loose gemstones * Jewelry links Smoky Quartz was often used for Victorian mourning jewelry. It is named cairngorm after the mountains in Scotland where it is found to be brown to black in color. The color comes from natural radiation exposure. Smoky quartz is also found in the Swiss Alps where different altitudes produce different colors and tones.
ENHANCEMENT CODE E Click to view AGTA code. PROPERTIES Refractive Index 1.544-1.533 Hardness = 7 (Moh's Scale) Specific Gravity =2.66 Species - Quartz Optic Character - Double Refraction. WARNINGS FOR CARE Ultrasonic: Usually safe Steamer: Risky Heat: Poor; color change may occur with heat; may fracture under abrupt temperature changes Chemicals that harm: Hydrofluoric acid, ammonium fluoride.	Crystal Structure Crystal system: Hexagonal (trigonal), compact. MAJOR SOURCES Brazil, Madagascar, Sri Lanka, South Africa, Uruguay	Birthstones
		January	Garnet
		February	Amethyst
		March	Aquamarine
		April	Diamond
		May	Emerald
		June	Pearl/Alexandrite
		July	Ruby
		August	Peridot
		September	Sapphire
		October	Opal/Tourmaline
		November	Topaz or Citrine
		December	Blue Topaz or Zircon

Quartz