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Describe how to distinguish between a mineral with a hardness of 6 and one with a hardness of 4 using only a glass plate and a copper penny?
To distinguish between a mineral with a hardness of 6 and one with a hardness of 4, you can use the glass plate and the copper penny for comparison. First, scratch the mineral against the glass plate; if it scratches the glass, it has a hardness greater than 5. Then, use the copper penny to scratch the mineral; if the mineral scratches the penny, it has a hardness greater than 3. If it scratches the glass but not the penny, it has a hardness of 6; if it scratches the penny but not the glass, it has a hardness of 4.
Are copper pans all right to cook in if there is a copper tint to the stainless steel?
To manufacture the stainless steel copper bottom utensils with 3% of copper deposit at the bottom of utensil & the grade of stainless steel is J -5 of 22 gauge. What would be the manufacturing cost per kg ? Shall I get the costing analysis of manufacturing process to know this process better.What kind of stainless steel grade have to be used to get best resuts? Ravikumar
Why do rocks have deep scratches?
Rocks can have deep scratches due to erosion by abrasive materials such as sand, ice, or other rocks. These scratches are typically formed over long periods of time as the rock is exposed to these abrasive forces, causing the surface to wear down and create the scratches.
How do you remove scratches from birthstone ring?
To remove scratches from a birthstone ring, you can use a jewelry polishing cloth designed for the specific metal of your ring. Gently rub the cloth over the scratches in a back-and-forth motion until they are less visible. If the scratches are deep, consider taking the ring to a professional jeweler for repair.
What is the streak on a turquoise gem stone?
The streak on a turquoise gemstone is usually white, due to its composition of hydrated copper aluminum phosphate. Turquoise is quite soft, with a Mohs hardness of 5-6, so care should be taken when handling it to avoid scratches or damage.
What are the benefits of using copper titanium cookware in the kitchen?
Copper titanium cookware offers benefits such as even heat distribution, durability, non-stick properties, and resistance to scratches and corrosion.
Why do jewelers add small amounts of copper to gold and silver?
Jewelers add small amounts of copper to gold and silver to improve their durability and strength. Copper acts as a hardening agent, making the jewelry less prone to scratches and dents while still maintaining the desired color and luster.
What is harder a steel file can scratch a penknife blade or calcite scratches a copper coin?
Calcite scratching a copper coin is harder because calcite has a higher Mohs hardness scale rating than copper. Steel files can scratch penknife blades because steel is harder than the blade material, which is usually softer.
When was Scratches in the Table created?
Scratches in the Table was created on 1998-10-15.
When was Scratches of Spain created?
Scratches of Spain was created in 1987.
Which mineral scratches dolomite and is scratched by olivine?
Quartz scratches dolomite, while olivine scratches pyroxene.
How do you remove scratches from plastic?
Scratches can rarely be removed fro plastic. The only way to remove scratches from plastic is to melt the abrasions.
Are copper pans all right to cook in if there is a copper tint to the stainless steel?
To manufacture the stainless steel copper bottom utensils with 3% of copper deposit at the bottom of utensil & the grade of stainless steel is J -5 of 22 gauge. What would be the manufacturing cost per kg ? Shall I get the costing analysis of manufacturing process to know this process better.What kind of stainless steel grade have to be used to get best resuts? Ravikumar
What do you do when the mouse scratches itself?
My mouse scratches himself to clean himself.
How do I get scratches out of a marble table top?
How do I get scratches out of a marble table top?
What is the duration of Scratches in the Table?
The duration of Scratches in the Table is 1.33 hours.
Will turtle wax work on fixing scratches on xbox games?
No. You can get a store to buff the disks to minimize the scratches. If they are deep scratches though, it will not work.
