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Ores
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Iron ores
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Hematite
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Corundum
Corundum
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sh85033102
·
QE391.C9
,
TA455.C65
,
TN936
,
TP261.C67
·
id.loc.gov
Broader Terms (2)
Hematite
Precious stones
Hierarchy
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Narrower Terms (3)
Emery
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Rubies
Sapphires
