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What metal mineral is harder than 5.5 on the Mohs Hardness Scale?
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∙ 11y ago
Magnetite
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∙ 11y ago
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Will titanium scratch titanium?
Yes. Any metal or mineral will scratch itself and anything softer than it on the hardness scale.
Who is the hardness scale named after?
The Mohs scale of mineral hardness is named after Friedrich Mohs, who developed it. The Rockwell scale of metal hardness is named after Hugh and Stanley Rockwell, who created the machine that measures it. Hugh and Stanley Rockwell aren't directly related to each other. The Shore Durometer scale for measuring the hardness of elastomeric materials like rubber is named after Albert Shore, who invented the measuring device called the durometer.
What is thulium's texture?
Malleable and ductile enough to be cut with a knife, the chemical element Thulium is a fairly soft metal, appearing on the Mohs scale of mineral hardness at 2 to 3.
Describe how to find the hardness of unknown mineral?
Minerals are tested for hardness by performing a scratch test. The unknown mineral is scratched with another object that the hardness is known. For example, a unknown mineral may be scratched with a piece of metal to compare the resistance.
Does the hardness of water depend upon the metal or non metal ion of the mineral?
The hardness of water depends primarily on the concentration and chemical identities of the metal cations dissolved in the water. The non metal ions dissolved in the water have little effect unless the particular ions are capable of forming coordinate covalent bonds to the metal ions.
Will titanium scratch titanium?
Yes. Any metal or mineral will scratch itself and anything softer than it on the hardness scale.
Is diamonds 3 times harder than metal?
Diamonds are the hardest mineral known. Metal refers to metallic materials, and there are many of them. In order to give a 'yes' or 'no' answer to your question, you must specify which metal. Always, however, diamonds are harder than any metal; the number of times harder, then depends on which metal is being compared to diamond in hardness.
Who is the hardness scale named after?
The Mohs scale of mineral hardness is named after Friedrich Mohs, who developed it. The Rockwell scale of metal hardness is named after Hugh and Stanley Rockwell, who created the machine that measures it. Hugh and Stanley Rockwell aren't directly related to each other. The Shore Durometer scale for measuring the hardness of elastomeric materials like rubber is named after Albert Shore, who invented the measuring device called the durometer.
What is thulium's texture?
Malleable and ductile enough to be cut with a knife, the chemical element Thulium is a fairly soft metal, appearing on the Mohs scale of mineral hardness at 2 to 3.
Describe how to find the hardness of unknown mineral?
Minerals are tested for hardness by performing a scratch test. The unknown mineral is scratched with another object that the hardness is known. For example, a unknown mineral may be scratched with a piece of metal to compare the resistance.
How well do a mineral resist scratching?
hardness.
What is tungsten hardness?
According to several publications Tungsten Carbide measures a 9 on the Mohs Hardness Scale. A Diamond measures 10 on the Mohs Hardness Scale meaning it would require a diamond to scratch Tungsten Carbide. Tungsten has an official hardness on the Mohs Hardness Scale of 9, but can be as hard as 9.5 on the Mohs Hardness Scale making it almost scratch proof. Now if you are talking about pure Tungsten the hardness is only 7.5 on the Mohs Hardness Scale making it softer than Sapphire, Ruby, Emerald, Alexandrite, Topaz and Spinel. When Tungsten is compounded into Tungsten Carbide the hardness rises greatly sometimes almost equaling the hardness of Diamonds. Tungsten Carbide is five times harder than 316L Surgical Grade Stainless Steel.
What is the hardness of 55 -58 HRC mean?
Hardness of metal is determined by the carbon content. HRC is the Rockwell Hardness Scale. A hardness of 55-58 is not very hard compared to carbon steel.
What is the Hardness Rockwell C scale?
This is a method used to determine the hardness of a metal. If you know the type of metal and the hardness, this will tell you the Tensile Strength of the metal and how well it was heat treated. The method uses a ball or a pin to strick the metal and leave a small indention. The size and depth that the ball makes in the metal is inversely proportional to the hardness. Using the scale, you can then determine if the part has completed the proper heat treatment as required by the Engineering drawing. There are 3 Rockwell scales: A, B, C. Rockwell C scale is for the hardest of metals such as steel. Rockwell B is for metal such as soft aluminum and A is for even softer metals.
If a mineral has no streak is it metallic?
When identifying minerals, having no streak is a property of hardness. A streak plate has a hardness of ~7(Moh's Scale). Thus any mineral having a hardness greater than 7 will have no streak.Metallic is the description of luster. Or the general appearance of a mineral surface in reflected light.If you were refering to the mineral having metal elements in it, streak is actually very useful for identifying them. Many minerals that are composed of non-metals have a white streak which can appear to be no streak, however there are also many minerals with no streak which are composed of non-metallic minerals (Diamond).
Is metal mineral?
Metal is form of combining minerals to form a solid. The chemical and physical properties of minerals give metals formed a shape and hardness after combination is completed.
Does the hardness of water depend upon the metal or non metal ion of the mineral?
The hardness of water depends primarily on the concentration and chemical identities of the metal cations dissolved in the water. The non metal ions dissolved in the water have little effect unless the particular ions are capable of forming coordinate covalent bonds to the metal ions.
