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What else can I help you with?
What is the approximate hardness of topaz?
the hardness of Topaz is 8 on moes hardness scale
What is silicons hardness?
The hardness is about 6.5 or 7.
Mohs' scale helps scientists to identify the of a mineral?
B. Hardness
Can quartz be scratched by a penny?
No. According to Mohs Hardness Scale, Quartz has a hardness of 7 while copper has a hardness of about 3. The higher number indicates a greater hardness.
What minerals would scratch fluorite - talc quartz or calcite?
Fluorite with a Mohs hardness of 4 would be scratched by quartz (with a hardness of 7). Both calcite (Mohs hardness 3) and talc (Mohs hardness 1) are softer than fluorite.
Would aluminium silicon and phosphorous have the same mass hardness luster or corrosiveness?
luster
What is hard anodising?
Hard anodizing: electrolytic passivization of the metallic surface with the scope to obtain an oxide layer with a hardness greater than the hardness of the metal. Frequently used for aluminium.
What properties applies to aluminum and not iron?
Aluminium is paramagnetic, iron is ferromagnetic Aluminium has a low density, iron is more dense Aluminium is not corroded in water, iron is easily corroded The hardness of aluminium is lower The price of aluminium is greater The melting point of iron is significantly greater The thermal and electrical conductivity of aluminium are more important Iron has a greater chemical reactivity ................................................................... etc.
What is aluminium's hardness?
Aluminum oxide, as corundum, defines 9.0 on the Mohs hardness scale.
When metals. Mild steel Aluminium are heated between 200 and 900 degrees is the hardness improved or reduced?
heating mild steel to 200c
What is golds hardness?
Gold on the selves is actually an amalgam ( mixture of several metals) so it is mixed with aluminium, iron etc. In theory pure gold is malleable
Definition of aluminium?
the chemical element of atomic number 13, a light silvery-gray metal.
Is hardness of magnesium oxide is greater than aluminum oxide?
yes I don't know about in normal form (like powdered), but crystal aluminium oxide is know as a sapphire(or a ruby if it has red impurities). Sapphires and Rubies have a hardness of 9 on the Mohs scale (diamond is 10) they are the second hardest natural material.
What are the advantages of using aluminium for forging?
The metal is unique because it can be heated to the same temperature as the dies that will form it. The hardness of the dies is also lower than dies used for forging steel.
What has the author R F Lacey written?
R. F. Lacey has written: 'Interim report on study of urinary excretion of aluminium' 'Changes in water hardness and cardiovascular death-rates' 'Review of needs for and feasibility of further epidemiological studies of Alzheimer's disease in relation to aluminium in drinking water'
What is hrc value for aluminium?
The HRC value for aluminum typically ranges from 15 to 25. This value represents the hardness of the aluminum alloy, with higher values indicating a harder material. HRC values can vary depending on the specific alloy and heat treatment of the aluminum.
What is the mineral zeolites hardness?
Zeolites are more like a family of mineral ... Some of the more common mineral zeolites are analcime, chabazite, clinoptilolite, heulandite, natrolite, phillipsite, and stilbite. Each has it's own hardness. Most are in the 3-5,5 range.
