freakyfauna:Right & Left Handed Quartz“The quartz crystals are said to be right or left handed,
freakyfauna:Right & Left Handed Quartz“The quartz crystals are said to be right or left handed, depending upon whether these faces are to be observed trunctuating the edges between prism and rhombohedron.” — Ford, 1912Source: William E. Ford Dana’s Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912)Found here. -- source link
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