mineral
Quartz with Epidote inclusions
Silicon Dioxide (SiO2) with Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Hardness: 7 on the Mohs scale, Color: Clear to milky white/yellowish quartz with distinctive greenish epidote inclusions, Luster: Vitreous to greasy, Crystal Structure: Trigonal, Cleavage: None (conchoidal fracture), Specific Gravity: 2.65
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Physical properties
Hardness: 7 on the Mohs scale, Color: Clear to milky white/yellowish quartz with distinctive greenish epidote inclusions, Luster: Vitreous to greasy, Crystal Structure: Trigonal, Cleavage: None (conchoidal fracture), Specific Gravity: 2.65
Formation & geological history
Formed in hydrothermal veins and pegmatites where silica-rich fluids crystallized under high pressure and temperature, often incorporating surrounding minerals like epidote during growth.
Uses & applications
Used in mineral collecting, lapidary arts, metaphysical practices, and ornamental display pieces.
Geological facts
Quartz is one of the most abundant minerals on Earth, and when it grows around or alongside epidote, it creates striking contrasting colors that are highly sought after by collectors.
Field identification & locations
Can be identified in the field by its high hardness (scratches glass), conchoidal fracture, and the characteristic pistachio-green patches of epidote embedded within or on the quartz matrix.
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