mineral
Quartz with Tourmaline
Silicon Dioxide with Complex Borosilicate (SiO2 + Na(Fe3Al6)(Al5Si6O18)(BO3)3(OH)4)
AI-generated identification · may be incorrectHardness 7 on Mohs scale, transparent to white color with black inclusions, vitreous luster, hexagonal crystal system, conchoidal fracture.
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Physical properties
Hardness 7 on Mohs scale, transparent to white color with black inclusions, vitreous luster, hexagonal crystal system, conchoidal fracture.
Formation & geological history
Formed in hydrothermal veins and pegmatites during late-stage magmatic crystallization over millions of years.
Uses & applications
Used in metaphysical collections, wire-wrapped jewelry, and ornamental display pieces.
Geological facts
Tourmaline-inclusions in quartz create striking visual contrast and are often referred to as 'tourmalinated quartz'.
Field identification & locations
Identify by clear quartz matrix containing distinct needle-like black schorl crystals; found worldwide including Brazil, Madagascar, and the USA.
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Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Limonite
FeO(OH)•nH2O
mineral
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic