Minerals

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General Information

Bismuth

Bismuth can be found in nature in many different forms. One of the most common minerals, apart from the pure form, is bismite (bismuth trioxide).[1]

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Chemical & Physical Information

Trivial nameBismuth
Chemical nameBismuth
Other namesWismut (DE), Bismut (NL,BE,FR)
Type of chemicalElement
SymbolBi
Element number83
Element categoryPoor metals
Group, period, block15, 6, p
CAS number7440-69-9
Density 19.78 kg·m-3 25 K
Density 210.05 kg·m-3 272 K
Molar massSilver
Hardness (Mohs)2.25
Crystal systemTrigonal
Bravais latticeRhombohedral
Crystal habit?
Coordination geometryOctahedral
Cleavage?
Fracture?
SolubleNo
ColourSilver
LusterMetallic
StreakGrey
OpacityOpaque
Safety summarySafe
Safety dataMSDS
StorageDry
ExtraColour formed by layer of bismuth oxide and it's diamagnetic.

For more information, also look at the bismuth crystals and the bismuth chemicals.

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Photos

Bismuth

(1 cm)

Bismuth

(1 cm)

Bismuth

(3 cm)

Bismuth

(2 cm)

Bismuth

(3 cm)

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Sources

[1] Wikipedia

[2] Specimen from my personal collection, photo taken by me.