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Germanite

Germanite is a rare copper iron germanium sulfide mineral, Cu26Fe4Ge4S32. It was first discovered in 1922, and named for its germanium content. It is only a minor source of this important semiconductor element, which is mainly derived from the processing of the zinc sulfide mineral sphalerite. Germanite contains gallium, zinc, molybdenum, arsenic, and…

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Category
Sulfide mineral
Cleavage
None
Color
Reddish grey tarnishing to dark brown
Crystal class
Hextetrahedral (43m) H-M symbol: (4 3m)
Crystal habit
Usually massive; rarely as minute cubic crystals
Crystal system
Isometric

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Germanite

Nodes38
Edges37
Triples19
Avg. degree1.95
Density0.052632
Components1

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Germanite

Top relations

Category · 1
Germanite → Sulfide mineral
Cleavage · 1
Germanite → None
Color · 1
Germanite → Reddish grey tarnishing to dark brown
Crystal class · 1
Germanite → Hextetrahedral (43m) H-M symbol: (4 3m)
Crystal habit · 1
Germanite → Usually massive; rarely as minute cubic crystals
Crystal system · 1
Germanite → Isometric
Dana classification · 1
Germanite → 2.9.4.2
Diaphaneity · 1
Germanite → Opaque
Formula · 1
Germanite → Cu26Ge4Fe4S32
IMA symbol · 1
Germanite → Ger

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Important terminology

tsumeb sulfide mineral germanium zinc sphalerite namibia mine references oshikoto region copper iron gallium molybdenum arsenic vanadium hydrothermal polymetallic dolomite

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
GermaniteCategorySulfide mineral1.00infobox
GermaniteCleavageNone1.00infobox
GermaniteColorReddish grey tarnishing to dark brown1.00infobox
GermaniteCrystal classHextetrahedral (43m) H-M symbol: (4 3m)1.00infobox
GermaniteCrystal habitUsually massive; rarely as minute cubic crystals1.00infobox
GermaniteCrystal systemIsometric1.00infobox
GermaniteDana classification2.9.4.21.00infobox
GermaniteDiaphaneityOpaque1.00infobox
GermaniteFormulaCu26Ge4Fe4S321.00infobox
GermaniteIMA symbolGer1.00infobox
GermaniteLusterMetallic1.00infobox
GermaniteMohs scale hardness41.00infobox
GermaniteOther characteristicsCell data: a = 10.585 Å Z = 11.00infobox
GermaniteSpace groupP43n1.00infobox
GermaniteSpecific gravity4.4 to 4.61.00infobox
GermaniteStreakDark grey to black1.00infobox
GermaniteStrunz classification2.CB.301.00infobox
GermaniteTenacityBrittle1.00infobox
Germaniteis arare copper iron germanium sulfide mineral0.90text

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