mineral
Tourmalinated Quartz
Silicon dioxide with complex boro-silicate inclusions (SiO2 + Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, colorless to white quartz matrix with embedded black acicular tourmaline crystals, conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, colorless to white quartz matrix with embedded black acicular tourmaline crystals, conchoidal fracture.
Formation & geological history
Formed in hydrothermal veins and pegmatites where quartz crystallization incorporates pre-existing or simultaneous needle-like tourmaline crystals.
Uses & applications
Widely used in lapidary arts, metaphysical jewelry, crystal healing, and as a popular specimen for mineral collectors.
Geological facts
The contrasting black and white patterns make each stone completely unique. It is often referred to by crystal healers as a powerful grounding stone.
Field identification & locations
Easily identified by distinct black needle-like inclusions locked inside transparent to translucent white quartz. Found globally, with notable deposits in Brazil, Madagascar, and the USA.
