Our product

a mineral scratches a piece of fluorite

a mineral scratches a piece of fluorite

  • Help with minerals please just a simple question? Yahoo ...

    2007-02-04  Because if it scratches fluorite, then it's harder than fluorite. But if it CAN'T be scratched by glass, that means it's harder than glass. If a mineral is harder than another mineral, that means that the harder mineral can scratch the softer mineral, but not vice versa. Like, say, you have a knife and a piece of chocolate. The knife is harder ...

  • Which minerals would scratch fluorite - Answers

    2009-04-18  Fluorite is unable to scratch feldspar, quartz, corundum, diamond, or any other mineral with a Mohs hardness greater than 4. Asked in Geology Which rocks and minerals can diamonds scratch ?

  • How Can I Tell the Difference Between Fluorite Quartz ...

    2017-04-24  How Can I Tell the Difference Between Fluorite Quartz? ... Fluorite will not scratch glass because it is not hard enough. Quartz is harder than glass and will scratch the glass. ••• the hammer image by Jim Mills from Fotolia. Use a hand lens to examine the crystal structure of the rock. If possible, use a hammer and a piece of fabric to break a small piece of the mineral. Put on ...

  • Unit 2: Lesson 4: Properties of Minerals Assessment ...

    A mineral scratches a piece of fluorite but cannot be scratched by a piece of glass. What is this mineral's hardness? What is this mineral's hardness? The mineral's hardness is greater than 4 but less than 5.5 on the Mohs hardness scale.

  • What is the hardnessof a mineral that scratches the

    What is the hardnessof a mineral that scratches the gypsum but can't scratch fluorite? Answer. Wiki User January 08, 2010 8:31AM . Between 2 and 4. Calcite, which has a hardness of 3, is one ...

  • What mineral will scratch feldspar but not fluorite - Answers

    2011-04-10  There is no mineral that would satisfy the question. If a mineral is able to scratch feldspar, it would have a Mohs hardness of 6 or above. Fluorite is rated as a 4. It would be impossible for a ...

  • What can scratch fluorite - Answers

    2013-03-18  There is no mineral that would satisfy the question. If a mineral is able to scratch feldspar, it would have a Mohs hardness of 6 or above. Fluorite is rated as a 4. It would be impossible for a ...

  • Will fluorite scratch a penny - Answers

    There is no mineral that would satisfy the question. If a mineral is able to scratch feldspar, it would have a Mohs hardness of 6 or above. Fluorite is rated as a 4. It would be impossible for a ...

  • Minerals, Rocks Test Questions Flashcards Quizlet

    Could I have found another piece of fluorite? yes a mineral can scratch itself You are in the lab testing the hardness of minerals and have the following tools available - penny (hardness: 3.0), iron nail (4.5), glass plate (5.5) and streak plate (7.0).

  • Could a piece of fluorite scratch piece of quartz - Answers

    Could a piece of fluorite scratch piece of quartz? Asked in Geology. Geology. Could a piece of fluorite scratch piece of quartz? UNANSWERED. We need you to answer this question! If you know the ...

  • minerals Flashcards Quizlet

    proper of a mineral that relates to how much the mineral resist being scratched. what is the softest mineral on the mohs scale. talc. what is the hardest mineral. diamond. what is the hardness of calcite. three. what mineral can scratch corundum. diamond. could a piece of fluorite scratch a piece of quarts . lower number cannot scratch higher numbers. what is the only mineral that can be ...

  • Science 022713 Flashcards Quizlet

    What would happen if you rubbed a piece of fluorite against a piece of feldspar. feldspar would scratch the flourite . What would you expect to happen if you rubbed a mineral of hardness 7.5 against a piece of quartz. the quartz would be scratched - hardness 7. If unknown mineral has a hardness between 5 and 9, what 3 minerals could you use to find out more about its hardness? Feldspar, Quartz ...

  • Fluorite: The mineral fluorite information and pictures

    Fluorite is the only mineral for which significant quantities of the important element fluorine can be obtained. Fluorite is also used as a flux in the manufacture of steel and other metals to eliminate impurities.There is a great demand for Fluorite in the optics field, and to meet it synthetic crystals are grown to produce special lenses.

  • 7th grade Earth Science: Chapter 3 -Test Review

    Use the Mohs Hardness Scale: What would happen if you rubbed a mineral of hardness 5.5 against a piece of Fluorite? The fluorite would be scratched because a higher number (5.5)will scratch a lower number (Fluorite - 4).

  • Fluorite and Fluorspar: Mineral uses and properties

    Fluorite is an important industrial mineral composed of calcium and fluorine (CaF 2). It is used in a wide variety of chemical, metallurgical, and ceramic processes. Specimens with exceptional diaphaneity and color are cut into gems or used to make ornamental objects. Fluorite is deposited in veins by hydrothermal processes.

  • How to repair a scratched mineral glass - Watch Repair ...

    2011-03-09  A mineral of a given hardness will scratch other mineral of a lower number. With a systematic approach, you can use minerals of known hardness to determine the relative hardness of any other mineral. Finally we look at Sapphire glass crystals, by far the hardest to scratch, but also the most difficult to polish.

  • Streak Test for Minerals - using a porcelain streak plate

    The "streak test" is a method used to determine the color of a mineral in powdered form. The color of a mineral's powder is often a very important property for identifying the mineral. The streak test is done by scraping a specimen of the mineral across a piece of unglazed porcelain known as a "streak plate." This can produce a small amount of ...

  • Fluorite Value, Price, and Jewelry Information ...

    However, conduct scratch testing only as a last resort and never on a finished gem. Fortunately, fluorite’s very low RI and dispersion can help distinguish it from many other gems. One of the more unusual examples of fluorite as a simulant, “night glowing pearls” have appeared in Asian markets.

  • Rocks and Minerals Flashcards Quizlet

    a mineral with a hardness of 6 will scratch any mineral with a hardness. less than 6. the splitting of a mineral along flat surface is a property called. cleavage. dissolved minerals and particles of sediment stick together to form sedimentary rock in a process called . cementation. Coal is a example of a rock, a sedimentary rock that forms where thick layers of plant and animal remains are ...

  • Fluorite and Fluorspar: Mineral uses and properties

    Fluorite is an important industrial mineral composed of calcium and fluorine (CaF 2). It is used in a wide variety of chemical, metallurgical, and ceramic processes. Specimens with exceptional diaphaneity and color are cut into gems or used to make ornamental objects. Fluorite is deposited in veins by hydrothermal processes.

  • Fluorite: The mineral fluorite information and pictures

    Fluorite is the only mineral for which significant quantities of the important element fluorine can be obtained. Fluorite is also used as a flux in the manufacture of steel and other metals to eliminate impurities.There is a great demand for Fluorite in the optics field, and to meet it synthetic crystals are grown to produce special lenses.

  • Fluorite - Wikipedia

    Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF 2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 4 as Fluorite.

  • Mineral Hardness Testing from Rockman

    Determining the hardness of an unknown rock or mineral is often very useful in the identification process. Hardness is a measure of a mineral's resistance to abrasion and is measured against a standard scale - Mohs Scale of Hardness. Mohs Scale was named after Frederick Mohs (1773-1839), a German minerologist. It consists of 10 fairly common minerals (except for the diamond) of known hardness ...

  • Minerals for Kids Earth Sciences Museum University of ...

    University of Waterloo Earth Sciences Museum Collection Sodalite is a vibrantly blue mineral which was named for its high sodium content (sodium is in table salt!) It has a greasy lustre, which means that if you can get a good look at a clean crystal then it will look like the surface of the mineral is greasy.

  • Blue John (mineral) - Wikipedia

    Blue John (also known as Derbyshire Spar) is a semi-precious mineral, a form of fluorite with bands of a purple-blue or yellowish colour. In the UK it is found only at Blue John Cavern and Treak Cliff Cavern at Castleton in Derbyshire.During the 19th century, it was mined for its ornamental value, and mining continues on a small scale. Deposits of fluorite have been recently found in China ...

  • University of Minnesota’s Mineral Pages: Fluorite

    At first glance, fluorite crystals may be mistaken for quartz crystals, especially the purple variety of quartz known as amethyst. However, quartz is much harder than fluorite. It will scratch glass and, unlike fluorite, it cannot be easily scratched by metal. Quartz also lacks any cleavage and breaks in a conchoidal manner, while fluorite has ...

  • the mineral that can be scratched by ... - Mining

    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