0
about 7 or 7.5 with Mohs scale, like Quartz.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What kind of streak do obsidians have?
black-green
How hard is silver on the Mohs scale?
I don't found the Mohs hardness of plutonium but: - the Brinell hardness is 242 at r.m. - the Vickers hardness is 255 at r.m. After a hardness conversion chart an equivalent Mohs hardness may be 3,7.
What is the hardness of Flint according to the mohs scale of hardness?
flint is a type of quartz, so it has a hardness of about 7 on the mohs scale of hardness
If Calcite will scratch gypsum This is an example of what physical characteristics?
It is hardness. Calcite is harder than gypsum.
what is hardness of feldspar?
Feldspars generally have a hardness of 6 on Mohs' hardness scale.
What is obsidians density?
2.6g
What kind of streak do obsidians have?
black-green
What is Obsidians' composition?
potassiun feldspar, quartz, plagioclase feldspar,biotite, and amphibole.
What do Jericho and catal huyuk have in common?
They have an obsidian nearby for Catal Huyuk and for Jericho they already have imported obsidians.
What is obsidians grain shape?
Pure obsidian actually has a glassy texture (grain), with no discernible crystalline structure.
What is difference between barcol hardness and Shore A hardness?
what is the difference between Shore-A Hardness & Barcol Hardness
What is a sentence with the word hardness?
no one likes your Hardness! hardness is not a good character.
What is the hardness of a conundrum?
The hardness of conundrum is 9 on the Moh's hardness scale
What is the hardness of Limonite on the mohs hardness scale?
The hardness of Limonite is 4 t0 5.5 on the mohs hardness scale.
How hard is silver on the Mohs scale?
I don't found the Mohs hardness of plutonium but: - the Brinell hardness is 242 at r.m. - the Vickers hardness is 255 at r.m. After a hardness conversion chart an equivalent Mohs hardness may be 3,7.
What is the hardness of manganese?
Mohs hardness: 6 Brinell hardness: 196 MPa.
Why do rocks have different hardness?
it has to do with the hardness of the mineral which can be found by moh's scale of hardness
