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Thortveitite

Thortveitite is a rare mineral consisting of scandium yttrium silicate (Sc,Y)2Si2O7. It is the most widespread scandium mineral, but natural thortveitite is not widely exploited as a source of scandium metal. Most scandium is derived from mine tailings, which can include thortveitite. Thortveitite mining in the United States ceased in 1969.

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Category
Minerals
Crystal class
Prismatic (2/m) (same H-M symbol)
Crystal system
Monoclinic
Formula
(Sc,Y)2Si2O7
IMA symbol
Tvt
Luster
vitreous

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Overview

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Map overview Semantic statistics

Thortveitite

Nodes11
Edges10
Triples12
Avg. degree1.82
Density0.181818
Components1

How this topic connects Entity context

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Thortveitite

Top relations

Category · 1
Thortveitite → Minerals
Crystal class · 1
Thortveitite → Prismatic (2/m) (same H-M symbol)
Crystal system · 1
Thortveitite → Monoclinic
Formula · 1
Thortveitite → (Sc,Y)2Si2O7
IMA symbol · 1
Thortveitite → Tvt
Luster · 1
Thortveitite → vitreous
Mohs scale hardness · 1
Thortveitite → 5–6
Space group · 1
Thortveitite → C2/m
Specific gravity · 1
Thortveitite → 3.3–3.8
Streak · 1
Thortveitite → gray

Important terminology Word statistics

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Important terminology

scandium mineral sc 2si2o7 gray named minerals yttrium silicate pegmatites norwegian rare consisting widespread natural widely exploited source metal derived

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
ThortveititeCategoryMinerals1.00infobox
ThortveititeCrystal classPrismatic (2/m) (same H-M symbol)1.00infobox
ThortveititeCrystal systemMonoclinic1.00infobox
ThortveititeFormula(Sc,Y)2Si2O71.00infobox
ThortveititeIMA symbolTvt1.00infobox
ThortveititeLustervitreous1.00infobox
ThortveititeMohs scale hardness5–61.00infobox
ThortveititeSpace groupC2/m1.00infobox
ThortveititeSpecific gravity3.3–3.81.00infobox
ThortveititeStreakgray1.00infobox
ThortveititeStrunz classification9.BC.051.00infobox
Thortveititeis arare mineral consisting of scandium yttrium silicate0.90text

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