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The mineral that can be scratched by topaz and which scratches feldspar

topaz has a hardness of 8 on the mohs hardness scale quartz has a hardness of 7 topaz will be able to scratch quartz but quartz can never scratch topaz Which mineral will not scratch quartz

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    Which Of The Following Minerals Will NOT Scratch G

    Mar 16 2017Weegy TOPAZ cannot be scratched by quartz User The broad slightly domeshaped volcanoes of Hawaii are A cinder cone volcanoes B shield volcanoes C pyroclastic volcanoes D posite cone volcanoes Weegy The broad slightly dome

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    Mineral Can Not Be Scratched With A Knife

    A simpler version of the Mhos scale can be established using three types of hardness SOFT Minerals that can be scratched with a fingernail INTERMEDIATE Minerals that cannot be scratched with a fingernail but can be scratched with a steel nail

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    Name Date

    A harder mineral can scratch a softer one Each mineral on the scale can scratch a mineral with a lower number Your fingernail has a hardness of about 25 A fingernail can scratch talc and gypsum but not calcite MohsHardness Scale 1 Talc softest can be scratched by a fingernail 2 Gypsum can be scratched by a fingernail but cannot

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    What Can Scratch Glass Yahoo Answers

    Nov 25 2008Answers Hardness There are a number of methods of measuring hardness of minerals and other materials One is to use a scratch test There is a wellknown scale of hardness as measured by scratching known as Mohs Scale which lists diamonds at 10 corundum ruby and sapphire at 9 topaz at 8 quartz at 7 feldspar at 6 and apatite at 5

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    Mohs Scale Of Mineral Hardness Wikipedia

    Minerals The Mohs scale is a purely ordinal scale For example corundum 9 is twice as hard as topaz 8 but diamond 10 is four times as hard as corundum The table below shows the parison with the absolute hardness measured by a sclerometer with pictorial examples

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    ineral Identification Earth Science Lumen Learnin

    With a Mohs scale anyone can test an unknown mineral for its hardness Imagine you have an unknown mineral You find that it can scratch fluorite or even apatite but feldspar scratches it You know then that the minerals hardness is between 5 and 6 Note that no

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    Mohs Hardness Scale The Rock Shed

    Can be scratched with Copper 4 FluoriteMalachite Can be scratched with knife 5 Apatite Can be scratched with knife 6 FeldsparAmazonite Knife barely scratches it 7 QuartzAgate Scratches glass easily 8 Topaz Scratches Glass and mon minerals 9 RubySaphire Scratches Topaz and mon minerals 10 Diamond Scratches Topaz and mon minerals

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    Mohs Hardness Scale Lab Millersburg Area School

    Mohs Hardness Scale Lab Lancaster High School Hayhurst Page 3 Analysis and Conclusion For each item below select the letter that labels the correct part of the image 1 Mineral cannot scratch glass but scratches a fingernail 2 Mineral scratches glass but is scratched by quartz 3 Mineral scratches quartz and topaz 4

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    Mohs Hardness Scale Millers Class

    Talc 3 Name 2 minerals that will scratch topaz Corundum and Diamond 4 Name 2 minerals softer than a 3 Gypsum and Talc 5 Name 2 objects that will scratch fluorite piece of copper or fingernail 6

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  • Jaw crusher
    Which Of The Following Best Describes The Hardness

    This particular mineral is probably more than a six but less than an eight The correct answer is D Lets break it down If the mineral cannot be scratched by feldspar it has to be at least as tough as that Feldspar falls at a six on the Mohs scale Next the question mentions that the

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    Mohs Hardness Scale Knowledge Roundtable

    They are 1 Talc Fingernail 2 Gypsum Fingernail 3 Calcite Penny 4 Fluorite PennyPocket Knife 5 Apatite Pocket Knife 6 Feldspar Pocket KnifeNail 7 Quartz Scratches Glass 8 Topaz Scratches Quartz 9 Corundum Scratches Topaz 10 Diamond Scratches Corundum Minerals other than these can be classified directly to their reference mineral or fall between

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    The Learning Zone Mineral Detectives

    If it leaves a scratch the mineral is softer than talc If it doesnt the mineral is harder than talc Continue doing this with the harder standard minerals gypsum calcite and so on If for example your mineral can be scratched by fluorite but not by calcite it will have a hardness of about three and a half

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    Hardness Mineralogy4Kids

    The hardest mineral known diamond was assigned the number 10 How does the hardness scale work The Mohs Hardness Scale ranks the order of hardness of minerals and some mon objects For example your fingernail can scratch the minerals talc and gypsum with a hardness of 2 or lower A copper penny can scratch calcite gypsum and talc

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  • Jaw crusher
    Mohs Hardness Scale North Scituate School

    A minerals rating on the hardness scale is determined by a scratch test For example the diamond is the hardest mineral because no other mineral on the scale is able to scratch it Basically if two minerals can both scratch each other they are of the same hardness but if one can only scratch the other that one will be higher on the scale

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  • Jaw crusher
    What Mineral Can Scratch Glass AnswersDrive

    There are ten minerals in Mohs scale talc gypsum calcite fluorite apatite feldspar quartz topaz corundum and for last and hardest diamond Because the Mohs scale was made long ago it is not exactly correct for example several minerals are now known to be harder than the diamond

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  • Jaw crusher
    What Mineral On The Mohs Scale Will Scratch Apatit

    Oct 16 2010That means feldspar quartz topaz corundum and diamond will scratch apatite The minerals on the Mohs scale that is lower however will be scratched by apatite That means talc gypsum calcite and fluorite will be scratched by apatite

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  • Jaw crusher
    Mineral Hardness Testing From Rockman Rock Mineral

    Example You select one of the minerals from Mohs Scale that looks like the one pictured here and find that it can be scratched by the knife H55 but not by the penny H3 Therefore you are able to conclude that the specimen has a relative hardness between 30 and 55

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    Gemstone Hardness Scale MOHS With Table Gem Rock

    The MOHS scale was created by trying to scratch one mineral with another and then recording which mineral left a scratch Fro example Corundum Sapphire and Ruby was used to scratch um left a scratch on the surface of Apatite and so this mineral

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    Rating Minerals On Mohs Scale Of Hardness ThoughtC

    You use the Mohs hardness scale by testing an unknown mineral against one of the standard minerals Whichever one scratches the other is harder and if both scratch each other they are the same hardness

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    Mohs Hardness Test Oakton Community College

    Diamond the hardest known natural substance can produce a scratch on virtually all other substances but can easily be shattered by the blow of a hammer Keep in mind that the Mohs scale does not indicate exact hardness which depends upon the purity of the mineral sample and its degree of crystallinity

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  • Jaw crusher
    Mohs Scale Hardness Minerals Mineral And Scratch

    Mohs scale utilizes ten specific representative materials that are arranged numerically from the softest 1 to the hardest 10 The reference minerals are 1 talc 2 gypsum 3 calcite 4 fluorite 5 apatite 6 orthoclase feldspar 7 quartz 8 topaz 9 corundum and 10 diamond

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  • Jaw crusher
    Minerals Hardness

    HARD Minerals that cannot be scratched with a steel nail Mineral cannot be scratched with a fingernail but can be scratched with a steel nail Mineral cannot be scratched with a steel nail Mineral cannot be scratched with a steel nail

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    ohs Hardness Scale Testing The Resistance To Bein

    One of the most important tests for identifying mineral specimens is the Mohs Hardness Test This test pares the resistance of a mineral to being scratched by ten reference minerals known as the Mohs Hardness Scale see table at left The test is useful because most specimens of a given mineral are very close to the same hardness

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  • Jaw crusher
    Gemstone Hardness And Wearability International Ge

    Corundum 9 is twice as hard as topaz 8 and diamond 10 is four times as hard as corundum Note diamonds and only diamonds can scratch other diamonds Hardness Ranges The hardness of a material may vary slightly with position and also with its state of aggregation Measuring gemstone hardness can be tricky Often a mark that looks like a scratch is actually a trail of powder left by the

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  • Jaw crusher
    ohs Scale Of Mineral Hardness Simple English Wiki

    Rocks are made up of one or more minerals According to the scale Talc is the softest it can be scratched by all other materials Gypsum is harder it can scratch talc but not calcite which is even harder The hardness of a mineral is mainly controlled by the strength of the bonding between the atoms and partly by the size of the atoms It is a measure of the resistance of the mineral to scratching the

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  • Jaw crusher
    Hardness Mineral Properties The Mineral And Gemsto

    MINERAL PROPERTIES HARDNESS Hardness is defined by how well a substance will resist scratching by another substance For example if mineral A scratches mineral B and mineral B does not scratch mineral A then mineral A is harder than mineral B If mineral A and B both scratch each other then their hardness is equal

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  • Jaw crusher
    Mohs Hardness Scale

    can be scratched by a fingernail 2 Gypsum Plaster of paris Gypsum is formed when seawater evaporates from the Earths surface May be scratched by a fingernail or by a copper coin 3 Calcite Limestone and most shells contain calcite Can be scratched by a steel pocket knife or sometimes a

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  • Jaw crusher
    Geology Rocks And Minerals University Of Auckland

    Terminology Rather it is a method of gauging the relative hardness of a mineral If a mineral cannot be scratched by a knife blade but can be scratched by quartz then its hardness is between 5 and 7 stated as 57 on Mohs scale A relative hardness value of 65 means that the mineral could scratch orthoclase feldspar but not quartz

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  • Jaw crusher
    What Can You Scratch Glass With AnswersDrive

    If a mineral cannot be scratched by a knife blade but can be scratched by quartz then its hardness is between 5 and 7 stated as 57 on Mohs scale A relative hardness value of 65 means that the mineral could scratch orthoclase feldspar but not quartz

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