Matches in DBpedia 2015-10 for { ?s ?p "Ametrine, also known as trystine or by its trade name as bolivianite, is a naturally occurring variety of quartz. It is a mixture of amethyst and citrine with zones of purple and yellow or orange. Almost all commercially available ametrine is mined only in Bolivia.The colour of the zones visible within ametrine are due to differing oxidation states of iron within the crystal."@en }
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- Ametrine comment "Ametrine, also known as trystine or by its trade name as bolivianite, is a naturally occurring variety of quartz. It is a mixture of amethyst and citrine with zones of purple and yellow or orange. Almost all commercially available ametrine is mined only in Bolivia.The colour of the zones visible within ametrine are due to differing oxidation states of iron within the crystal.".