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| A variety of Quartz A redefinition by Kunz in 1892 (possibly a misunderstanding) of the original name Sagenite as defined by Saussure to refer to a variety of quartz - see also Sagenite (of Saussure) and Rutilated Quartz - a more common modern name to refer to Quartz containing acicular rutile inclusions. "Sagenite – Penetrated with acicular crystals of other minerals, generally rutile, tourmaline, goethite, stibnite, asbestus, actinolite, hornblende, epidote, etc." |