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Billwiseite

Billwiseite is a very rare oxide mineral found at the pegmatite commonly referred to as "Stak Nala" located within a few hundred yards from the village of Toghla in the Stak Nala, Gilgit-Baltistan, Pakistan. It has only been found as a coating on a single crystal of lepidolite. The sole rock containing Billwiseite is kept at the Royal Ontario Museum…

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Category
Oxide minerals
Cleavage
{100} Indistinct
Color
Pale yellow (with a tinge of green)
Crystal class
Prismatic (2/m) (same H-M symbol)
Crystal system
Monoclinic
Formula
(Sb3+)5(Nb,Ta)3WO18

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Billwiseite

Nodes12
Edges11
Triples17
Avg. degree1.83
Density0.166667
Components1

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Billwiseite

Top relations

Category · 1
Billwiseite → Oxide minerals
Cleavage · 1
Billwiseite → {100} Indistinct
Color · 1
Billwiseite → Pale yellow (with a tinge of green)
Crystal class · 1
Billwiseite → Prismatic (2/m) (same H-M symbol)
Crystal system · 1
Billwiseite → Monoclinic
Formula · 1
Billwiseite → (Sb3+)5(Nb,Ta)3WO18
Fracture · 1
Billwiseite → Hackly
IMA symbol · 1
Billwiseite → Bwi
Luster · 1
Billwiseite → Vitreous
Mohs scale hardness · 1
Billwiseite → 5

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Important terminology

found mineralogist ima oxide crystal group references gilgit-baltistan pakistan lepidolite antimony niobium tantalum tungsten rare mineral pegmatite commonly referred stak

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
BillwiseiteCategoryOxide minerals1.00infobox
BillwiseiteCleavage{100} Indistinct1.00infobox
BillwiseiteColorPale yellow (with a tinge of green)1.00infobox
BillwiseiteCrystal classPrismatic (2/m) (same H-M symbol)1.00infobox
BillwiseiteCrystal systemMonoclinic1.00infobox
BillwiseiteFormula(Sb3+)5(Nb,Ta)3WO181.00infobox
BillwiseiteFractureHackly1.00infobox
BillwiseiteIMA symbolBwi1.00infobox
BillwiseiteLusterVitreous1.00infobox
BillwiseiteMohs scale hardness51.00infobox
BillwiseiteRefractive indexunknown1.00infobox
BillwiseiteSpace groupC2/c1.00infobox
BillwiseiteSpecific gravity6.331.00infobox
BillwiseiteStreakColorless, very pale yellow1.00infobox
BillwiseiteStrunz classification4.DX1.00infobox
BillwiseiteUnit cella = 54.206(6) Å, b = 4.9163(5) Å, c = 5.5540(6) Å; β = 90.396(2)°; Z = 41.00infobox
Billwiseiteis avery rare oxide mineral found at the pegmatite commonly referred to as0.90text

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