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bn:00077749n
Noun Concept
Categories: Minerals in space group 160, Manganese minerals, Iron minerals, Articles with short description, Gemstones
EN
tourmaline  tourmalines  dravite  Feruvite  olenite
EN
A mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones WordNet 3.0
Definitions
Relations
Sources
EN
A mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones WordNet 3.0 & Open English WordNet
Tourmaline is a crystalline silicate mineral group in which boron is compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Wikipedia
Crystalline boron silicate mineral Wikipedia Disambiguation
Cyclosilicate mineral supergroup Wikidata
A complex black or dark-coloured borosilicate mineral, compounded with various chemical elements and considered a semi-precious stone. Wiktionary
IS A
mineral
transparent gem
mineral supergroup
cyclosilicates
HAS KIND
schorl
elbaite
fluor-liddicoatite
Fluor-uvite
Povondraite
+34 relations
CRYSTAL SYSTEM
trigonal crystal system
DESCRIBED BY SOURCE
Brockhaus and Efron Encyclopedic Dictionary
Explanatory Dictionary of the Living Great Russian Language
HAS QUALITY
piezoelectricity
NAMED AFTER
electricity
STREAK COLOR
white
WordNet 3.0 & Open English WordNet
EN
tourmaline
Wikipedia
EN
tourmaline
Wikidata
EN
tourmalines
Wiktionary
EN
tourmaline
Wikipedia Redirections
EN
dravite, Feruvite, olenite, rossmanite, shorl, Tormaline, tourmalines
Wikidata Alias
EN
tourmaline, tourmaline supergroup

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