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6.5=61/2

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Q: When Pyrite can have a hardness of 6.5 on the mohs scale write 6.5 as a mixed number?
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What is the Hardness of pyrite on mohs hardness scale?

The hardness of the mineral pyrite, or Fool's Gold, is about 6 on the Mohs hardness scale. That's a little harder than a steel knife blade, but not as hard as the mineral quartz


A mineral with a hardness of 6?

Orthoclase feldspar is 6 on the Mohs scale of mineral hardness.


What do mineralogists do to identify minerals?

Hardness, luster, and scratch color help narrow down the possibilities . . . specific gravity and chemical analyses follow. As an example, gold and pyrite look about the same - both have a somewhat shiny luster. The streak color, though is black for pyrite and yellowish for gold. Hardness of pyrite is 6-something on the hardness scale, and gold is around 2.5, which is much softer.


What is the gypsums hardness?

on number scale 2


What scale is used to rank the hardness or softness of minerals?

The Mohs Scale of Hardness determines the hardness of minerals by scratching them with commonly found objects. The minerals are assigned a number which corresponds to their hardness; higher numbers indicate higher hardness.


What is the scale for the Mohs hardness scale?

Granite is not assigned a number on the Mohs scale of hardness. The Mohs scale is a measurement of the relative hardness of minerals. Because granite is a rock composed of a variety of minerals, only the individual minerals which compose it have a Mohs hardness.


What do the numbers represent on mohs hardness scale?

The Mohs Hardness Scale is numbered form one to ten, one being the softest minerals (talc) and ten being the hardest (diamond).


What is the hardness of a ruby on the Moh's hardness scale?

A ruby is a mineral corundum. The Mohs hardness scale lists the following from softer to harder: Talc - 1 Gypsum - 2 Calcite - 3 Fluorite - 4 Apatite - 5 Feldspar - 6 Quartz - 7 Topaz - 8 Corundum (which includes the ruby) - 9 Diamond - 10 Ruby has a Mohs hardness of 9.


How hard is iron ore on moh's hardness scale?

The minerals that comprise the various iron ores have varied Mohs' hardness. Hematite: 5.5-6.5 Magnetite: 5.5-6.5 Limonite: 4-5.5 Pyrite: 6-6.5


What mineral has the highest number on the mohs scale?

Diamond, with a hardness of 10 on the Mohs scale.


What is the hardness of slate on mohs hardness scale?

Slate, being a metamorphic rock, would not have a hardness listing on the Mohs scale of mineral hardness.


What is the hardness of coal on the Mohn hardness scale?

what would you use the mohns scale of hardness for