mineral
Chlorite Included Quartz
Silicon Dioxide (SiO2) with Chlorite (Mg,Fe,Li)6AlSi3O10(OH)8
AI-generated identification · may be incorrectHardness: 7 (Mohs scale), Color: Clear to milky with green internal inclusions, Luster: Vitreous, Crystal Structure: Trigonal/Hexagonal prism, Cleavage: None/Conchoidal fracture, Specific Gravity: 2.65
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Physical properties
Hardness: 7 (Mohs scale), Color: Clear to milky with green internal inclusions, Luster: Vitreous, Crystal Structure: Trigonal/Hexagonal prism, Cleavage: None/Conchoidal fracture, Specific Gravity: 2.65
Formation & geological history
Formed in hydrothermal veins and pegmatites where silica-rich fluids cool. Green chlorite minerals are trapped inside the quartz as it grows, often during the metamorphic or late-stage igneous process.
Uses & applications
Used primarily as decorative collector specimens, in metaphysical practices, and occasionally faceted into unique jewelry pieces.
Geological facts
These are often called 'Phantom Quartz' if the chlorite forms a layer that mimics the shape of the crystal inside. They are highly sought after by collectors for their 'mossy' or 'forest-like' internal appearance.
Field identification & locations
Identify in the field by looking for standard quartz crystal points that contain visible green moss-like or flakey internal inclusions. Commonly found in alpine-type fissures in Brazil, Switzerland, and Arkansas, USA.
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