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Talc and quartz
Talc and quartz are common minerals, distinguished by different physical properties. Talc is soft, easily scratched and has a greasy feel. Quartz is hard and has a vitreous or glass-like appearance.
Talc and quartz are common minerals, distinguished by different physical properties. Talc is soft, easily scratched and has a greasy feel. Quartz is hard and has a vitreous or glass-like appearance.
