Réf : BK399
Polished Ametrine - Bolivia - tumbled stones 4.1cm / 24g / BK399
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Ametrine is a combination of amethyst and citrine, exhibiting both purple and yellow colors. Its chemical formula is SiO2.
Amethyst and citrine belong to the silicate group. They consist primarily of silicon. Their chemical formula is the same as that of quartz or agate.
Amethyst is a variety of quartz, purple in color due to its iron content. Citrine is yellow.
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, purple in color due to its iron content. Citrine is yellow.
Amethyst is usually found in geodes. Those from Brazil produce large pyramidal crystals, while those from Uruguay are a deep purple.
CITRINE usually occurs as yellow pyramidal crystals.
This color may be natural due to traces of iron, but most often it comes from heated amethyst.
Unique piece - Photos are of the actual item
Origin: tumbled stones from Bolivia
Dimensions: 4.1 x 2.6 x 2.1 cm
Weight: 24 g
