set yourself apart with colour
SJ Gems declare any enhancements to the best of their ability. Authenticity is guaranteed by full refund.
All deliveries are fully insured. Convenient and secure online payment through 100% secure checkout
Easily exchange or return items. Return any purchase in its original condition. No questions asked.
Hardness – 7 on Mohs scale
Toughness – Good
Heat – High heat can cause colour loss
Light – Stable
Chemicals – Soluble in hydrofluoric acid and ammonium fluoride, very slightly soluble in alkalis
Steam – Not recommended
Ultrasonic – Usually safe
Warm, soapy water – Safe
Heating – colour changes ? permanent ? undetectable, treatment is assumed