Réf : BK398
Polished Ametrine - Bolivia - tumbled stones 4cm / 27g / BK398
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AMETRINE is a combination of Amethyst and Citrine where we find the two colors purple and yellow. Its chemical formula is SiO 2 .
Amethyst and citrine belong to the silicate group. They mainly contain silicon. Their chemical formula is the same as that of quartz or agate.
Amethyst is a variety of Quartz that is purple in color due to the iron it contains. Citrine is yellow in color.
Amethyst is usually found in geodes. Those from Brazil produce large pyramidal crystals, while those from Uruguay are a deep purple.
Amethyst is a variety of Quartz that is purple in color due to the iron it contains. Citrine is yellow in color.
Amethyst is usually found in geodes. Those from Brazil produce large pyramidal crystals, while those from Uruguay are a deep purple.
CITRIN E generally occurs in yellow pyramidal crystals.
This color may be natural due to traces of iron, but most often it comes from heated Amethyst.
Unique piece - Contractual photos
Origin: tumbled stones from Bolivia
Dimensions: 4 x 2.4 x 2.3 cm
Weight: 27 g
