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Bournonite
Bournonite




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Bournonite Mineral

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1 Physical
1.1 Mohs Hardness
3
1.2 Luster
Metallic
1.3 Cleavage
[010] Imperfect
1.4 Fracture
Sub Conchoidal Fractures developed in brittle materials characterized by semi-curving surfaces.
1.5 Streak
Steel-gray to iron-black
1.6 Bulk Density
Osmium
2.52
Rank: 100 (Overall)
Kurilite
1.7 Tenacity
Not Available
2 Chemical
2.1 Formula
2.1.1 Chemical Formula
PbCuSbS3
2.1.2 Empirical Formula
PbCuSbS3
2.2 Crystal Properties
2.2.1 Crystal System
Orthorhombic
2.2.2 Space group
Orthorhombic
2.2.3 Crystal Habit
Crystals short prismatic to tabular, typically striated; commonly as subparallel aggregates.
2.2.4 Crystal Class
Pyramidal (mm2)
2.2.5 Twinning
On {110}, commonly forming cross or cogwheel aggregates
2.3 Molecular Weight
Proudite
488.69
Rank: 100 (Overall)
Diamond
3 Atomic
3.1 Axial Ratios
a:b:c =0.9379:1:0.8965
3.2 Fermion Index
Maldonite
0.09
Rank: 29 (Overall)
Algodonite
3.3 Boson Index
Algodonite
0.91
Rank: 100 (Overall)
Urea
3.4 Cell Dimensions
3.4.1 a
Mesolite
8.16
Rank: 100 (Overall)
Graphite
3.4.2 b
Liveingite
8.70
Rank: 100 (Overall)
Tantalcarbide
3.4.3 c
Taranakite
7.80
Rank: 100 (Overall)
Tiettaite
3.4.4 alpha
Nefedovite
Not Available
Rank: 100 (Overall)
Schneiderhohnite
3.4.5 beta
Catapleiite
Not Available
Rank: 100 (Overall)
Harmotome
3.4.6 gamma
Rhonite
Not Available
Rank: 100 (Overall)
Hemihedrite
4 Optical
4.1 Photoelectric
Natronambulite
Not Available
Rank: 100 (Overall)
Hartite
4.2 Radioactivity
No Common Minerals Minerals has it !
4.2.1 GRapi
Melanocerite Ce
0.00
Rank: 100 (Overall)
Abelsonite
4.3 By Intensity
2.74(1), 1.768(0.5), 2.685(0.45
4.4 Specific Gravity
Osmium
2.93
Rank: 100 (Overall)
Kurilite
4.5 Diaphaneity
Opaque
4.6 Luminescence
Non-fluorescent.
4.7 Birefringence
0
4.8 Pleochroism
Very weak
5 Classification
5.1 Category
Sulfosalt mineral
5.2 IMA Status
Valid Species (Pre-IMA) 1805
5.3 Dana Class
03.04.03.02
5.4 Strunz Class
02.GA.50
6 Facts
6.1 Origin
Moderate temperature hydrothermal veins.
6.2 Locality
Wheal Boys, St Endellion, Cornwall, England Link to  MinDat.org Location Data.
6.3 Name Origin
Named after the French mineralogist, J. L. de Bournon (1751-1825).
6.4 Color
Black, Not Available, Black, Steel gray., Not Available
6.5 Name Synonym
Endellionite
6.6 Uses
Not Available

What is Bournonite?

Minerals are solid substances, occurring naturally. Minerals are not organic compounds as their origins are inorganic. Interestingly, the process of formation of minerals do result from organic processes. What is Bournonite? Here you can know all about it. Bournonite mineral belongs to Sulfosalt mineral. You can know more about the Physical Properties of Bournonite and find out all the aspects pertaining to the appearance and form of a mineral. It is also important to know the IMA status of a mineral, for this mineral IMA status is Valid Species (Pre-IMA) 1805. Another important aspect is the minerals strength or hardness, Bournonite has Mohs Hardness between 3.

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