0
US and Canadian pennies (cents) are actually 97% zincwith a thin plating of copper. The zinc has a Moh's hardness of 3 and the copper a Moh's hardness of 2.5. The Moh's scale runs up to 10, with most minerals being harder than 3. The only significant minerals lower than 3 are gypsum, alabaster and graphite. Most common minerals range from 6 - 8 on this scale.
Wiki User
∙ 8y ago
Add your answer:
Earn +20 pts
What can talc scratch?
Talc can scratch Talc , although Talc's hardness varies it is considered a soft mineral, that can even be scratched with a finger nail. Any mineral or material with a hardness equal to or greater than 1 on the Mohs hardness scale will be able to scratch talc. Talc is the softest mineral listed on the Mohs scale, listed as a 1 on the scale which is graded from 1 through 10, with 10 being the hardest (diamond).
Is it true or false mineral can scratch any mineral harder than itself?
false a mineral can not scratch any mineral harder than itself
What is the cost of talc?
Talc is very expensive, its a nice mineral.
Why is talc a better body powder than quartz?
Talc is a very soft mineral, unlike quartz, and so is less likely to be abrasive.
What is talc's characteristics?
talc is a powdery mineral. when you touch it,it turns to a dust or a powder
How can you tell if a mineral can scratch another mineral?
the softer mineral can be scratched by a harder mineral. Ex: talc is 1 and quartz is 7 so quartz can scratch talc
Which is harder talc or diamond?
Diamond is the hardest mineral known.
Which is the hardest mineral out of calcite talc fluorite and quartz?
Quartz- hardness 7 on Mohs Scale. (Calcite: 3, galena 2.5, talc 1)
Are there any minerals softer than talc?
There are no other minerals that are softer than talc. On Moh's hardness scale, diamonds are the hardest mineral, and talc is the softest mineral in the world.
What is the mineral with a hardness of 1 on the Mohs scale?
Talc is the mineral with a hardness of 1 on the Mohs scale.
How do you determine how soft a mineral is?
The hardness of a mineral is categorized on the Mohs hardness scale with talc as 1 and diamond as 10. A mineral can only be scratched bya mineral that is as hard or harder than the first mineral. So talc can scratch talc but nothing else. A diamond can scratch every other mienral including itself. Cordundum with a hardness of 9 can't scratch diamonds but can scratch a lot of other minderals.
What mineral is softer than a human fingernail?
The answer is Talc.
What is the mineral group for talc?
Talc is classified as a silicate mineral.
What type of mineral is talc?
Talc is classified as a phyllosilicate mineral.
What can talc scratch?
Talc can scratch Talc , although Talc's hardness varies it is considered a soft mineral, that can even be scratched with a finger nail. Any mineral or material with a hardness equal to or greater than 1 on the Mohs hardness scale will be able to scratch talc. Talc is the softest mineral listed on the Mohs scale, listed as a 1 on the scale which is graded from 1 through 10, with 10 being the hardest (diamond).
Is talc a fungus?
Talc is a mineral.
Which mineral can be scratched by a fingernail?
Talc is one such mineral and as such is a reference mineral in the Mohs Hardness Scale.
