the mineral that can be scratched by topaz and which scratches feldspar.

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Which mineral will scratch feldspar but not topaz – Wiki Answers

There is no mineral that would satisfy the question. If a mineral is able to scratch feldspar. Which minerals can scratch topaz? Corundum and Diamond.

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What mineral can scratch a piece of glass – Wiki Answers

Any mineral with roughly a hardness of 6 or more on the Mohs scale of mineral hardness could scratch glass, which is Some minerals that could scratch glass would be quartz, topaz, corundum, and diamond. Any type of feldspar or quartz .

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Which mineral could scratch quartz – Wiki Answers

Quartz can scratch feldspar but not scratch quartz. Quartz can't scratch quartz because. Will the mineral topaz scratch quartz or will quartz scratch topaz Why?

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Hardness – Geology – rocks and minerals

Each mineral in the scale scratches the one below it (the lower number) but not the corundum, topaz, quartz, orthoclase. apatite, fluorite, calcite, gypsum, talc of means that the mineral could scratch orthoclase (feldspar) but not quartz.

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Scratching The Surface – MathMastery DailyBrains

Each mineral on the scale can scratch any mineral that has a lower number than it on the Hardness 6, Scratches glass easily, Feldspar Among the samples in her mineral collection are Quartz, Gypsum, Diamond, Fluorite, and Topaz.

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Mohs Hardness Scale – Rockroost

Mohs hardness scale for rocks, gems, minerals. 6, Orthoclase, Orthoclase is a feldspar, and in German, "feld" means "field". (Will not scratch glass but will scratch steel blades, copper coins & fingernails.) 8, Topaz, The November birthstone.

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Minerals – Hardness – Academic Home Page

Glass plate (+). 6, K-feldspar. 7, Quartz, Streak plate (7). 8, Topaz. 9, Corundum. 10, Diamond SOFT – Minerals that can be scratched with a fingernail

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How To Identify Minerals: Hardness

Talc, Gypsum, Calcite, Fluorite, Apatite, Feldspar, Quartz, Topaz, Corundum, Diamond. To use the hardness scale, try to scratch the surface of an unknown sample with If the unknown sample cannot be scratched by feldspar (6) but it can be

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Activity 20: Testing the Hardness of Common Minerals

In practice, it is always advisable to see if sample A will scratch substance B and then feldspar (microcline), calcite, and the two unknowns (topaz and galena);

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Mohs Hardness Test

Diamond, the hardest known natural substance, can produce a scratch on The Mohs Scale is shown below, using commonly known minerals to Talc; Gypsum; Calcite; Fluorite; Apatite; Feldspar; Quartz; Topaz; Corundum; Diamond

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Mohs' Scale – Hardness, Minerals, Mineral, and Scratch – JRank

Mohs' hardness scale provides an index and relative measure of mineral hardness (6) orthoclase feldspar, (7) quartz, (8) topaz, (9) corundum, and (10) diamond. Glass is assigned a Mohs hardness number of because it will scratch

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Mohs scale of mineral hardness, minerals identification

Topaz. sandpaper. 7. Quartz. steel knife. 6. Orthoclase/Feldspar. penknife blade. 5 A mineral of a given hardness will scratch a mineral of a lower number.

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Mohs scale of mineral hardness – Wikipedia, the free encyclopedia

The method of comparing hardness by seeing which minerals can scratch others, For example, corundum (9) is twice as hard as topaz (8), but diamond (10) is

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Hardness: Mineral Properties – The Mineral and Gemstone Kingdom

Information on the mineral property Hardness. One can scratch the mineral from the kit instead of scratching a nice specimen. In addition, one can also get

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Bob's Rock Shop: Mineral Hardness

Hardness tests of minerals are among the easiest and most useful tests to perform. We are testing how easily one substance will scratch another. …. This might contain grains of topaz (H= 8), quartz (H=7), feldspars (H=6) and muscovite mica

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Mineral

8 Topaz. HARD. 7 Quartz. Streak plate. 6 Orthoclase Feldspar. Glass, Soft minerals: Will not scratch glass. Can be scratched with a knife blade or

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What mineral can scratch feldspar but not quartz – Wiki Answers

Can quartz scratch feldspar? minerals such as feldspar, then it can easily scratch it. Any other mineral less than feldspar. What mineral will scratch feldspar but

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High School Earth Science/Identification of Minerals – Wikibooks

3, Calcite. 4, Fluorite. 5, Apatite. 6, Orthoclase feldspar. 7, Quartz. 8, Topaz Quartz will scratch minerals, such as fluorite, that have a lower number on the scale

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HARDNESS AND WEARABILITY – International Gem Society

8 Topaz 7 Quartz 6 Feldspar 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc … Each of these minerals can be scratched by the one above it and will scratch the

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Chapter 4 • Minerals – Jenkins Middle High School

Corundum. 9. Topaz. 8. Quartz. 7 streak plate = 7. Feldspar. 6 steel file = Apatite. 5 Talc is one of the softest minerals and can be scratched by a fin- gernail your fingernail and cannot scratch glass has a hardness value between

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