Gemological Information for Apatite

Color: Colorless, Yellow, Green, Violet, Blue, Pink & Brown
Crystal Structure Hexagonal
Refractive Index: 1.634 - 1.638
Durability: Fair to Poor
Hardness: 5
Similar Stones: Topaz, Andalusite, Danburite, Barite, Tourmaline
Treatments: None Known at this Time
Country of Origin: Mexico, Brazil, Myanmar

Apatite Care

Ultrasonic Cleaning: Risky
Steam Cleaning: Never
Warm Soapy Water: Safe
Chemical Attack: Attacked by Sulfuric and Hydrochloric Acid
Light Sensitivity: Stable with Some Fading
Heat Sensitivity: Sensitive, Changes Color

Online G&G Articles on Apatite