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Answered 2014-07-03 19:28:39

By rubbing mineral against a piece of porcelain tile, the objective of the test is to observe the hardness of the mineral.

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One way to help identify a mineral is to rub it against a piece of porcelain tile This procedure tests the of the mineral?

That procedure tests the streak of the mineral. Oddly, the streak color of some minerals are different from the mineral's color.


One way to help identify a mineral is to rub it against a piece of porcelain tile this procedure tests what?

The test described is called a streak test, and indicates the true color of a mineral as observed in a powdered form.


One way to help identify a mineral is to rub it against a piece of porcelain tile This procedure tests the of the mineral A streak B hardness C luster D cleavage?

The test is called a streak test and it leaves a powdered form of the mineral on the porcelain. The powdered mineral reveals the true color, of the mineral specimen, which may or may not match the color of the specimen.


If you rub a mineral against a piece of porcelain tile what does this procedure tests the of the mineral?

This is called a streak test, and is done using the back of an unglazed white porcelain tile. It reveals the color of the mineral when powdered, which is occasionally quite different and a good identifier. Eg. hematite is black to the eye, but it's streak is red.


Which mineral leaves a green-black powder when rubbed against an unglazed porcelain plate?

Which mineral leaves a green-black powder when rubbed against an unglazed porcelain plate?


One way to identify a mineral is to rub it against a piece of porcelain tile This procedure tests the 'blank' of the mineral?

You're looking for the word "Streak". This means you are testing for the 'raw' colour of the powered mineral, which ceases to have a crystalline structure. This allows for the comparison of minerals that have some variability of colour (such as hematite, which can be a dark red, black, or shiny-silvery colour). This is a more accurate way of describing an unidentified mineral than to use it's physical colour appearance, and can be used to identify some minerals. Use caution when using this method, as some minerals are in fact HARDER than the porcelain(which has a Moh's hardness of about 7), and the porcelain will come off onto the mineral producing a false 'white' streak.


Rubbing a mineral against a piece of porcelain tile tests?

streak test


How can an unglazed porcelain tile be used to identify a mineral?

You identify minerals through a streak test. This involves taking the tile and the mineral to be identified and rubbing them together. This produces a colored streak on the tile, which can be used to identify the mineral. Consult a field guide for specific colors.


What is the color of a powdered mineral formed when rubbing it against an unglazed porcelain tile?

It is called the mineral's streak, an aid in identifying the mineral.


What mineral leaves a green black powder rubbed against an unglazed porcelain plate?

hematite


What is scratching a mineral against a glass plate and rubbing a mineral on a streak plate helpful procedure for determining in a mineral?

hardness


What property is used to identify minerals uses the color of the mineral when it's broken up?

StreakColor of the mineral when it is powdered.Grind a small amount of a mineral into a powder on a porcelain streak plate and determine the color of the powder.


What mineral is used in porcelain sinks?

Porcelain, as the name suggests.


What is color left by powered mineral on unglazed porcelain?

The color left by a mineral on unglazed porcelain would be its streak.


How can porcelain tile be used to idintify a mineral?

Mineral samples can be scraped across the bottom (i.e., the unglazed side) of a tile to create a colour streak which is characteristic of the mineral. Note that it takes more than a colour streak to identify a mineral. Many minerals have the same colour streak. Other characteristics such as the hardness and density will also need to be determined in order to positively identify a mineral.


How do you Identify a mineral?

You identify a mineral by it's physical properties.


Why are streak tests used?

Streak tests are used to identify minerals. Rubbing a mineral specimen against unglazed white porcelain, or finely powdering it and examining the powder against a white background, is a useful diagnostic test in some cases. Eg. hematite, a black mineral that looks much like many other black minerals, has a distinctive red streak.


How do you test a minerals streak?

By rubbing a mineral against a piece of unglazed porcelain tile From Prentice Hall textbook: Inside Earth


One way to identify a mineral is to rub it against a piece of unglazed tile to observe it's?

I'm honestly not sure what your instructor expects there. The name of that procedure is the "streak test", but that doesn't quite fit in the sentence.


How can you identify an unknown mineral sample?

How can you identify an unknown mineral sent


What the worst way to identify a mineral?

The worst way to identify a mineral is by tasting it. When you are classifying a mineral by tasting it doesn't do much. So taste is the worst way to identify a mineral.


In identifying a mineral rubbing it against a piece of porcelain tile tests what characteristic?

This is a test of the mineral's true color, referred to as the 'streak' color.


Least accurate way to identify a mineral?

the least accurate way to identify a mineral


Color left by powdered mineral on unglazed porcelain?

streak


What could you use to test for the streak of a mineral?

A white, unglazed porcelain streak plate and a sample of the mineral.