mineral
Lapis Lazuli
Complex silicate rock (lazurite, calcite, pyrite)
AI-generated identification · may be incorrectHardness of 5 to 5.5 on the Mohs scale, deep blue color often flecked with golden pyrite, vitreous to greasy luster, and massive crystal structure.
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Physical properties
Hardness of 5 to 5.5 on the Mohs scale, deep blue color often flecked with golden pyrite, vitreous to greasy luster, and massive crystal structure.
Formation & geological history
Formed through contact metamorphism of limestone, predominantly sourced from Afghanistan, Chile, and Russia.
Uses & applications
Widely used in jewelry, ornamental carvings, and historically ground into ultramarine pigment for master art.
Geological facts
Lapis lazuli has been mined for over 6,500 years and was treasured by ancient Egyptian pharaohs for burial amulets.
Field identification & locations
Easily identified by its rich royal blue hue and distinct metallic pyrite inclusions; common in curated mineral and gemstone collections.
