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tourmalinated quartz - study in black & white

tourmalinated quartz crystal

tourmalinated quartz & pearl necklace

compositionsilicon dioxide with inclusions of an iron rich form of tourmaline called schorl
name sourcequartz from the Saxon word querklufterz, meaning "cross vein ore" -- tourmalinated from the inclusions of black schorl tourmaline
color usually milky to clear with inclusions of intricately crossing needles of black schorl tourmaline
significant sourcesBrazil, Mfadagascar
MOH scale7
care and treatmentAs a hardy member of the quartz family, tourmalinated quartz is not easily damaged. Clean in warm soapy water or in an ultrasonic jewelry cleaner.