When Amethyst and Citrine are both found in the same Quartz the result is Ametrine, a bicolor purple (Amethyst) and yellow (Citrine) gemstone. When the final cut is just right the color blend can be astonishing. While the overwhelming majority of Ametrine is mined in Bolivia there are still deposits located in India and Brazil.
Generally is not enhanced and Normal care should be fine.
Properties of Amertine:
Hardness: 7
Specific Gravity: 2.65
Refractive Index: 1.54-1.55
Chemical Composition: SiO2
Crystal Structure: Trigonal
Specific Gravity: 2.65
Refractive Index: 1.54-1.55
Chemical Composition: SiO2
Crystal Structure: Trigonal
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