It really depends on the type of ore. This is assuming that you are talking about real life ore, and not ore in some online game. In any case, I can't help you, because there are many different rates for ores in the real world, and you have failed to specify which ore you are talking about, and if you are talking about video-game ore, you haven't specified the game or the type of ore if there are more than one. Resubmit question with more specific phrasing, please.
Rock containing metal is known as ore - iron ore, copper ore, and so on. As to being worth extracting, depends on the richness of the metal deposits.
Magnetite is an ore of iron, and therefore has economic value.
In some cases it will cost more to mine and refine the mineral than that mineral is worth. This can occur if the concentration of the mineral is too low, or if it is buried too deep to be accessed cost-effectively. In this case, the mineral resource is techincally not an ore, as by definition, an ore is a mineral resource that can be extracted at a profit.
No. Magma is not an ore.
About 2 kroner (20 pence).
how much is American money worth in denmark
About 4 cents
The country of Denmark spells the name of its country "Danmark". The "ore" is the lower denomination coin of Denmark, spelled "Danmark" on their coins. One Krone equals 100 ore. Note that Denmark does not use the Euro, as does Germany and other countries to the south of Denmark.
about 20g on the AH
$2.94
it costs about £1000
iron is approximately worth $1.50 per pound
10 cents
About 7¢
1 Ore Is worth about $0.0014 so 10 Ore is worth approximately $0.014, Also Norge has nothing to do with the value of the coin it refers to location ,Norge is the Norwegian (bokmal) , Danish and Swedish name for Norway
1881 Denmark 1 Ore is worth 7500-1200 in uncirculated condition, 300 in worst condition with date barely visible. http://www.ebay.com/itm/1881-Denmark-1-Ore-Key-Date-EXTREMELY-RARE-/120801736496 This is a great example of one worth probably $8000 USD