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Ceylon Natural Quartz Crystal Cluster - Danu Group Gemstones Quartz is mineral composed of silicon and oxygen atoms. One of the most common mineral on earth. Quartz can be found in Sri Lanka, Madagascar, Zambia, Zimbabwe, USA, Brazil, Uruguay, Thailand, Turkey, Tanzania, Tajikistan, Switzerland, Sweden, Spain, South Korea, Africa, Russia, Afghanistan, New Zealand, Norway, Nigeria, Namibia, Myanmar, Mozambique, Morocco, Mongolia, Mexico, Kenya, Laos, Japan, Germany, France, Finland, China, Canada, Bulgaria, Cambodia, Australia, Belgium. • Mohs Hardness: 7 • Chemical Formula: SiO2 • Refractive Index: to • Specific gravity: ( ) • Lustre: Vitreous • Optical properties: Uniaxial ( ) Gemstones Properties We must remember that the most powerful of all is our mind power. The use of gemstones in the chemical, wave and vibration energy of the gemstones can only be of some help to the well being of man. It is like a fence on the stairs. The stair fence is not essential for climbing
