
gemstone
Fire Quartz (Hematoid Quartz)
Silicon Dioxide with Hematite Inclusions (SiO2)
Hardness: 7 on the Mohs scale; Color: Clear with red, reddish-brown, or hematite inclusions; Luster: Vitreous; Crystal Structure: Trigonal; Cleavage: None; Specific Gravity: 2.65
- Hardness
- 7 on the Mohs scale
- Color
- Clear with red, reddish-brown, or hematite inclusions
- Luster
- Vitreous
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Physical properties
Hardness: 7 on the Mohs scale; Color: Clear with red, reddish-brown, or hematite inclusions; Luster: Vitreous; Crystal Structure: Trigonal; Cleavage: None; Specific Gravity: 2.65
Formation & geological history
Formed in hydrothermal veins or pegmatites where quartz crystals grow alongside or over iron-rich minerals like hematite or goethite, occurring worldwide.
Uses & applications
Used primarily in jewelry making, ornamental carvings, and as a popular collectible specimen among crystal enthusiasts.
Geological facts
Also known as lepiochoroite quartz or strawberry quartz depending on the exact mineral inclusion, the striking red needles and plumes are trapped inside the clear quartz matrix during its growth.
Field identification & locations
Easily identified by transparent to translucent quartz bodies showcasing internal red phantoms, flakes, or needle-like inclusions of hematite. Commonly found in Madagascar and Brazil.
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