Naturally occurring variety of quartz.- Ametrine
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Violet variety of quartz.
When partially heated, amethyst can result in ametrine.
Hard, crystalline mineral composed of silica .
It is then referred to as ametrine.
Piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments.
Most citrine is made by heating amethyst, and partial heating with a strong gradient results in "ametrine" – a stone partly amethyst and partly citrine.
List of minerals for which there are articles on Wikipedia.
Ametrine (variety of quartz)
Selection of portmanteau words.
ametrine, a gemstone composed of amethyst and citrine
Bolivian folk singer.
In 2004, Huáscar participated in a competition based on the exhibition of precious stones known as bolivianitas, which inspired him to compose the song entitled La bolivianita.