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Tag Archives: silicon dioxide material

Lithium quartz: Crystal of harmony

March 5, 2012

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by Karyn Diane Kish —  Lithium quartz crystals occur as prismatic quartz with inclusions of a soft magenta hue or lavender gray lithium-bearing material. This rare silicon dioxide material contains pure quartz crystal, plus the lithium ions. It has a hardness of seven and is found in a very remote area of Minas Gerais, Brazil. […]

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