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Variety of Minerals (2)
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Variety of Minerals (2)
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Systematic name of hematite
Iron(III) oxide
Combination o elements for hematite
Iron and oxygen
Natural compounds
Combination of several elements
Calcium carbonate exist in various forms, colours and textures
Example: calcite, limestone, marble, chalk and coral reefs
Example of natural compound
Calcium carbonate
History of the discovery of gold
According to existing records, gold was discovered in its mineral element form in a cave in Spain in 40 000 BC
The first metals used by humans
According to existing records, the first metal used by humans is gold
Common name for iron(III) oxide
Hematite
Common name for cassiterite
Tin(IV) oxide
Common name for Silicon dioxide
Quartz
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Variety of Minerals (2)
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