Streak plate mineral identification sheet

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The simplest way to make a powder from a mineral sample is to grind the mineral on a small rectangular piece of unglazed ceramic called a streak plate. Streak plates have a Mohs hardness  of around 7, but be sure to check your streak plate against a piece of quartz (hardness 7) because some are softer and some harder. Quartz 7 Streak plate Topaz 8 Scratches quartz Corundum 9 Scratches topaz Diamond 10 Scratches all common materials 1. What mineral is the hardest mineral? Diamond 2. What mineral is the softest mineral? Talc 3. Name 2 minerals that will scratch topaz Corundum and Diamond 4. Name 2 minerals softer than a 3 Gypsum and Talc 5. Children used the nail to see if they could scratch the rock, and the streak plate to see if they could write with the rock. I also laid out a ruler and some string for them to take measurements. Then they recorded all their information on their sheet, turned them in and started the process again on a different rock! Lots of fun and lots of ... Using the mineral identification sheet, conduct tests for each physical property to identify the mineral. 6. Record the properties discovered under the correct property box. Example, after doing a hardness test, you discover the mineral you were testing has a hardness of 1.5. So under the box labeled “Hardness,” you write 1.5 for that ...

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Internal structure of mineral- types of bonds between atoms. Cleavage should not be confused with crystal shape. Cleavage is a property of the way a mineral BREAKS, while crystal shape is a property of the way a mineral GROWS. When minerals have plenty of space to grow, they form CRYSTALS. Observe and measure the properties of a mineral sample, and then use a key to identify the mineral. Students can observe the color, luster, shape, density, hardness, streak, and reaction to acid for each mineral. There are 26 mineral samples to identify ...

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A small, white porcelain streak plate allows you to perform streak tests. A penny and a small glass plate are useful for testing hardness. Kits with samples of common minerals identified are available from science and nature stores; they help you identify minerals by comparing an unknown mineral to ones that are already identified. A rock is a mixture of one or more minerals. They are classified by the way that they are made. Monominerallic- a rock made of only one mineral. In this case, the rock is both a rock and a mineral. Polyminerallic- a rock made from more than one mineral. Rock Cycle. Igneous Rocks This is an assignment I give my students before they actually take their mineral identification test. In this activity the minerals have already gone through the individual characteristics tests such as luster, hardness, color, streak and other mineral properties. This assignment is to give studen...

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Your instructor will provide you with up to 10 different mineral samples for identification. To test for hardness, you will also be provided with a copper plate or penny, a steel nail, and a glass plate (you can provide your own fingernail). You will also be given a piece of unglazed porcelain tile to use as a streak plate Rock Identification Guide Complete with photos and information about each rock’s distinguishing characteristics, this rock identification guide has been designed to assist you in identifying the rocks provided in the Deeper and Deeper and Mining Matters II kits.

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Thus if I carry a nail and streak plate with me and can scrounge up a copper penny (pre-1983), I've got a handy mineral testing lab in my pocket. More expensive sets can be bought. A set with small samples of all of Mohs' minerals allows a bit more precision in testing. Jan 10, 2020 · Streak is the color of the powder of a mineral. To do a streak test, you scrape the mineral across an unglazed porcelain plate. The plate is harder than many minerals, causing the minerals to leave a streak of powder on the plate. The color of the streak often differs from the color of the larger mineral sample, as Figure 3.14 shows.

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Mineral Identification Activity Answers Favorite Mineral: Using your book, notes, computer, or whatever resources you have available, find the answers to each of the following questions. Using the mineral identification sheet, conduct tests for each physical property to identify the mineral. 6. Record the properties discovered under the correct property box. Example, after doing a hardness test, you discover the mineral you were testing has a hardness of 1.5. So under the box labeled “Hardness,” you write 1.5 for that ...

Jan 22, 2013 · This video guides you through the process of testing a minerals streak color. Dark grey streak. Note: All the minerals above have a metallic luster. Massive means lacking a defined form. Non-metallic minerals (listed in decreasing hardness) Review mineral formula to connect to family! H=Hardness; SG = specific gravity Mineral H SG Streak Color and/or Luster Form Cleavage/Fracture Diagnostic properties Corundum Al 2O 3 Mineral Identification. Instructions and Observations. Retrieve the bag labeled Lab #5 Mineral Identification Samples from your lab kit. Use the steps below to identify the ten minerals labeled A through J. To get you started, a few hints will be provided for Mineral Specimen A: 1. This mineral does not have a metallic luster. 2. observe the streak by rubbing the mineral across a tile called a “streak plate.” Drag the mineral sample across the streak plate. What color is the streak? _____ Note: If the mineral is harder than the streak plate (about 6.5), it won’t leave a streak. 5. Observe: Select the Acid test. Some minerals cause hydrochloric acid to bubble and fizz. the proper streak on a streak plate, but may bear little or no resemblance to each other. The Difference between Rocks and Minerals Two books are provided with this kit. Rocks and Minerals Eyewitness Handbook is of great importance. Please refer to pages 16-40 for a detailed explanation of rocks and minerals.

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Your field guide will tell you what color streak and what hardness each mineral is, so all you need to do is check your results against your guide. It doesn’t get easier than this. Cleavage and Fracture Cleavage and fracture are important in mineral identification because certain minerals break or split in predictable ways because of the Your field guide will tell you what color streak and what hardness each mineral is, so all you need to do is check your results against your guide. It doesn’t get easier than this. Cleavage and Fracture Cleavage and fracture are important in mineral identification because certain minerals break or split in predictable ways because of the Practice identifying rocks and minerals for the science olympiad! Learn with flashcards, games, and more — for free. ... Mineral Identification. ... (Glass but not ...

For example, the mineral pyrite may appear yellow to the eye. But when rubbed on a white porcelain plate (called a streak plate), pyrite leaves a black streak. Identifying a mineral by its streak is a much more accurate method than identifying a mineral by its color to the eye. Hardness is a measure of a mineral’s resistance to being scratched.

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streak plate metallic-dull red/black skin/steel grey kidney shaped masses, fibrous * - Useful property for diagnosis RF - Common rock-forming mineral This table should notbe memorised. Marks in the examinations will be awarded for description of the outcomes of tests on minerals and, on some occasions, identifi You can observe the streak by rubbing the mineral across a tile called a “streak plate.” Drag the mineral sample across the streak plate. What color is the streak? _____ (Note: In some cases the streak is colorless and cannot be seen.) Observe: Select the . Acid . test. Some minerals cause hydrochloric acid to bubble and fizz. Properties as easily observed as color, streak, and luster of a mineral aid the identification process. The GEO-logic activity set covers all three tests. A teacher's guide and student copymasters are included for the following activities: relation of streak to mineral, application of color and streak, and significance of luster. Other minerals show 1-WAY CLEAVAGE (micas, breaks into thin sheets or flakes), 2-WAY CLEAVAGE (feldspars, pyroxenes, amphiboles), or even 3-WAY CLEAVAGE (calcite, dolomite). STREAK: Color of the mineral when it is powdered. The test is done by rubbing the mineral on a streak plate (Hardness = 6.5). Minerals softer than 6.5 leave a mark on the ... Streak is the color of the powdered mineral, which is usually more useful for identification than the color of the whole mineral sample. Rubbing the mineral on a streak plate will produce a streak. A streak plate can be made from the unglazed back side of a white porcelain bathroom or kitchen tile. The simplest way to make a powder from a mineral sample is to grind the mineral on a small rectangular piece of unglazed ceramic called a streak plate. Streak plates have a Mohs hardness  of around 7, but be sure to check your streak plate against a piece of quartz (hardness 7) because some are softer and some harder. Mineral Identification Table Minerals for This Lab and Some Physical Properties They Possess. An asterisk (*) means the rock contains only minor amounts of the mineral. Mineral Name Physical Properties Geologic Setting Industrial Uses Biotite1 (K, Mg, Fe, Al Silicate) Luster nonmetallic. Color dark green, brown, or black. Hardness 2.5-4. Platy

A copy of the Properties of Minerals Lab Sheet to put on the overhead. A copy of the Mohs Scale of Hardness for each group ; A ziplock bag with a sample of pyrite, quartz, talc, fluorite, hematite, and calcite in it. A streak plate for each group. A steel nail and copper penny for each group ; Explore: A copy of the Mineral Fact Sheet for each ... OGReNet Lesson Recipes Mineral Identification Chart. written by: David Dillon, Department of Earth Sciences, The University of Western Ontario. This is a chart showing the basic properties of some rock forming minerals. Mineral Identification. Instructions and Observations. Retrieve the bag labeled Lab #5 Mineral Identification Samples from your lab kit. Use the steps below to identify the ten minerals labeled A through J. To get you started, a few hints will be provided for Mineral Specimen A: 1. This mineral does not have a metallic luster. 2. Rock Identification Guide Complete with photos and information about each rock’s distinguishing characteristics, this rock identification guide has been designed to assist you in identifying the rocks provided in the Deeper and Deeper and Mining Matters II kits.