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Ore is raw material, alloy is combination of metals
"Ore" is the singular form and refers to a naturally occurring material from which minerals can be extracted, typically metal ores. "Ores" is the plural form of "ore," indicating multiple sources of mineral deposits.
It is a difference between the hardness, generally expressed in the Mohs scale.
Gems are valuable rocks aren't.
Ores are naturally occurring minerals that contain valuable elements or metals. Four common ores include iron ore (hematite), copper ore (chalcopyrite), aluminum ore (bauxite), and gold ore (native gold).
Bauxite is the ore of aluminium, from which aluminium is is extracted.
Ore is mined
The name of silver ore is typically called "silver ore" or "native silver."
Iron Ore fines are Iron Ore that have been crushed to under 10mm. Iron Ore pellets are Iron Ore fines that have been concentrated and bonded together to form small balls, or pellets.
Metals that are pure are metals that contain no other materials. Some pure metals are silver, aluminum, gold, iron, lithium, magnesium, silicon, and zinc. A full list of metallic elements (pure metals) can be found at the Related Link.
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