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If the cost of removing the waste material that surrounds the ore becomes higher than the value of the ore itself, then the mineral will no longer be classified as an ore.

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A mineral is no longer classified as an ore once it no longer what?

valuable!


A mineral is classified as an ore as long as what?

A mineral is generally classified as an ore, if its locallized concentration far exceeds its crustal abundance.


When is a mineral no longer an ore?

When the ore is not profitable.


A mineral is classified as an ore as long as?

It is considered an ore as long as the locallized concentration of the mineral exceeds its crustal abondance.


When is a mineral classified an ore?

If it contains enough of a useful substance that it can be sold for a profit.:)


When is a mineral classified a ore?

If it contains enough of a useful substance that it can be sold for a profit.:)


When is a mineral classified as an ore?

A mineral is classified as an ore when it contains a valuable substance that can be extracted economically. This usually involves having high enough concentrations of the valuable substance and accessible means of extraction and processing.


When a mineral deposits classified as an ore?

An ore is a portion of a mineral deposit that can be economically extracted at the present time. A mineral deposit is a concentration of naturally occurring material that is potentially economic to extract.


Is a dimand a gem a mineral or an ore?

A diamond is considered a mineral because it is a naturally occurring solid with a specific chemical composition and crystalline structure. It is not classified as an ore because it does not contain metal or other valuable substances that can be extracted economically.


What Minerals can be classified according to their use what classification is given to a mineral that contains a useful amount of a particular element such as iron?

A mineral that contains a useful amount of a particular element is an ore. An ore containing iron is called iron ore, such as magnetite (Fe3O4), and hematite (Fe2O3), which contain 70% iron.https://en.wikipedia.org/wiki/Iron_ore


What mineral has lead ore in it?

the mineral with the ore of lead is galena


What mineral is a tin ore?

The mineral cassiterite is an ore of tin.