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E42.4013 Samples of Minerals for Mohr's Scale 10 Kinds
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  Features:
Samples of Minerals for Mohr's Scale 10 Kinds
 
  Detail Specification:
E42.4013 Samples of Minerals for Mohr's Scale 10 Kinds

Including 10 Kinds of minerals for Mohr's scale, including a small knife.

Rigidity 1
Talc
Rigidity 6
Orthoclase
Rigidity 2
Gypsum
Rigidity 7
Quartz
Rigidity 3
Calcite
Rigidity 8
Topaz
Rigidity 4
Fluorite
Rigidity 9
Corundum
Rigidity 5
Apatite
Rigidity 10
Diamond

 

 
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