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 – Abrupt temperature change may fracture stone, can alter colour
Light – Some amethyst may fade
Chemicals – Damaged by hydrofluoric acid, ammonium fluoride, alkalis
Steam – Not recommended
Ultrasonic – Usually safe
Warm, soapy water – Safe
Heating – lightens colour → excellent stability → undetectable
Lattice diffusion – creates red colour → good stability → detectable
Fracture-filling – improves clarity → fair stability → heat and chemicals can destroy filling → detectable