gemstone
White Topaz
Aluminum nesosilicate fluoride hydroxide, Al2SiO4(F,OH)2
AI-generated identification · may be incorrectHardness of 8 on the Mohs scale, colorless or white, vitreous luster, orthorhombic crystal system, perfect basal cleavage, and specific gravity around 3.5.
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Physical properties
Hardness of 8 on the Mohs scale, colorless or white, vitreous luster, orthorhombic crystal system, perfect basal cleavage, and specific gravity around 3.5.
Formation & geological history
Forms in pegmatites, high-temperature quartz veins, and cavities in granitic rocks through pneumatic action during late-stage igneous cooling.
Uses & applications
Widely used as an affordable diamond alternative in fine jewelry, optical components, and industrial abrasive applications.
Geological facts
Natural white topaz is often confused with diamond due to its brilliant sparkle, though it lacks the same fire and dispersion.
Field identification & locations
Identified by its high Mohs hardness of 8 and perfect basal cleavage; commonly mined in Brazil, Sri Lanka, and the US.
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