
mineral
Quartz with Tourmaline Inclusions
Silicon Dioxide with complex boro-silicate (SiO2 + Na(Fe3+Al6)(BO3)3Si6O18(OH)4)
Hardness: 7 on the Mohs scale. Color: White to translucent matrix with black acicular tourmaline inclusions. Luster: Vitreous to greasy. Crystal System: Trigonal. Cleavage: None.
- Hardness
- 7 on the Mohs scale
- Luster
- Vitreous to greasy
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Physical properties
Hardness: 7 on the Mohs scale. Color: White to translucent matrix with black acicular tourmaline inclusions. Luster: Vitreous to greasy. Crystal System: Trigonal. Cleavage: None.
Formation & geological history
Formed in hydrothermal veins and pegmatites through the crystallization of silica-rich solutions containing trace boron and iron elements over millions of years.
Uses & applications
Used in mineral collecting, lapidary arts, metaphysical practices, and ornamental displays.
Geological facts
Tourmalinated quartz combines the amplifying properties of clear quartz with the protective grounding energy of black tourmaline, making it a popular specimen for crystal enthusiasts.
Field identification & locations
Identifiable by its contrasting white quartz body peppered with dark, needle-like black tourmaline crystals. Commonly found in pegmatite-rich regions worldwide.
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