Citrine is the transparent, pale yellow to brownish orange variety of quartz.
Along with topaz, CITRINE is a birthstone for November. It’s also recognized as the gem that commemorates the thirteenth anniversary.
Chemical composition: SiO2
Color: Yellow to orange to orangy red
Refractive index: 1.544 to 1.553
Specific gravity: 2.66 (+0.03/-0.02)
Mohs hardness: 7
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