Chinese
Name:紫黃晶、調和石、情人石
English Name:Ametrine
/ Trystine
Chemical Composition:SiO2
Crystal System:Trigonal
Hardness:7.0
SG:2.65
RI:1.54
- 1.55 (Double Refraction +0.009)
Locality:Brazil,
Bolivia
Colour:purple to yellow. Colour-zoned
quartz variety, which consists half of amethyst & other
half of citrine.
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