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Natural heritage
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Adrian Smith Mineral Collection
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Minerals, gems and meteorites
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10-75 Sulphides
/
Crystaline
67. Realgar. Crystaline
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Dana number
2.8.22.1
Chemical formula
As
2
S
3
Crystal class
Monoclinic
Mohs hardness
1.5-2
Specific gravity
3.56
Collected in
Unknown, Unknown
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