minerals
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Minerals. EQ: What are minerals?. Standard: S6E5b. Investigate the contribution of minerals to rock composition. There are five characteristics of a mineral. F ive characteristics of a mineral:. Solid—A mineral is always a solid, with a definite volume and shape. - PowerPoint PPT PresentationTRANSCRIPT
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MineralsMinerals
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EQ: What are minerals?EQ: What are minerals?
Standard: S6E5b. Investigate the
contribution of minerals to rock composition.
![Page 3: Minerals](https://reader036.vdocument.in/reader036/viewer/2022070403/568139cc550346895da17c4f/html5/thumbnails/3.jpg)
There are five characteristics of a mineralThere are five characteristics of a mineral
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Five characteristics of a mineral:Five characteristics of a mineral:
• Solid—A mineral is always a solid, with a definite volume and shape.
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Five characteristics of a mineral:Five characteristics of a mineral:
• Solid—A mineral is always a solid, with a definite volume and shape.• Inorganic—A mineral cannot form from materials that were once part of a living thing. Inorganic means “not living”.
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Five characteristics of a mineral:Five characteristics of a mineral:
• Solid—A mineral is always a solid, with a definite volume and shape.• Inorganic—A mineral cannot form from materials that were once part of a living thing. Inorganic means “not living”.• Naturally Occurring—A mineral is formed by processes in the natural world.
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Five characteristics of a mineral:Five characteristics of a mineral:
• Solid—A mineral is always a solid, with a definite volume and shape.• Inorganic—A mineral cannot form from materials that were once part of a living thing. Inorganic means “not living”.• Naturally Occurring—A mineral is formed by processes in the natural world.
• Crystal Structure—The particles of a mineral line up in repeating patterns, called crystals, with faces that meet up at sharp edges and corners.
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Five characteristics of a mineral:Five characteristics of a mineral:
• Solid—A mineral is always a solid, with a definite volume and shape.• Inorganic—A mineral cannot form from materials that were once part of a living thing. Inorganic means “not living”.• Naturally Occurring—A mineral is formed by processes in the natural world.
• Crystal Structure—The particles of a mineral line up in repeating patterns, called crystals, with faces that meet up at sharp edges and corners.• Definite Chemical Composition—A mineral always contains certain elements in definite proportions.
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Five characteristics of a mineral:Five characteristics of a mineral:
• Solid—A mineral is always a solid, with a definite volume and shape.• Inorganic—A mineral cannot form from materials that were once part of a living thing. Inorganic means “not living”.• Naturally Occurring—A mineral is formed by processes in the natural world.
• Crystal Structure—The particles of a mineral line up in repeating patterns, called crystals, with faces that meet up at sharp edges and corners.• Definite Chemical Composition—A mineral always contains certain elements in definite proportions.
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EQ: How can I identify a mineral?EQ: How can I identify a mineral?
Standard: S6E5b. Investigate the
contribution of minerals to rock composition.
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Properties of a mineral:Properties of a mineral:
• Color
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Properties of a mineral:Properties of a mineral:
• Color
• Streak—the color of a mineral’s powder. A streak test can help to identify a mineral. Streak and color are often different.
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Properties of a mineral:Properties of a mineral:
• Color
• Streak—the color of a mineral’s powder. A streak test can help to identify a mineral. Streak and color are often different.
• Luster--how light is reflected from a mineral’s surface. Examples include metallic, glassy, silky, dull, waxy, earthy.
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Properties of a mineral:Properties of a mineral:
• Color
• Streak—the color of a mineral’s powder. A streak test can help to identify a mineral. Streak and color are often different.• Luster--how light is reflected from a mineral’s surface. Examples include metallic, glassy, silky, dull, waxy, earthy.
• Density—how compact a substance; mass per unit volume.
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Properties of a mineral:Properties of a mineral:
• Color• Streak—the color of a
mineral’s powder.
• Luster--how light is reflected from a mineral’s surface.
• Density—how compact a substance; mass per unit volume.
• Hardness—the ability of a mineral to scratch another mineral. Mohs hardness scale ranks ten minerals from softest to hardest. Talc can be scratched by a fingernail; diamond can scratch all other substances.
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Properties of a mineral:Properties of a mineral:
• Crystal Systems—six basic groups based on crystal faces; often only visible under a microscope. Groups include cubic, hexagonal, tetragonal, orthorhombic, monoclinic, and triclinic.
• Hardness—the ability of a mineral to scratch another mineral. Mohs hardness scale ranks ten minerals from softest to hardest. Talc can be scratched by a fingernail; diamond can scratch all other substances.
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Properties of a mineral:Properties of a mineral:
• Crystal Systems—six basic groups based on crystal faces; often only visible under a microscope. Groups include cubic, hexagonal, tetragonal, orthorhombic, monoclinic, and triclinic.• Cleavage—when a mineral splits easily along flat surfaces. Examples—prismatic, cubic, octahedral
• Hardness—the ability of a mineral to scratch another mineral. Mohs hardness scale ranks ten minerals.
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Properties of a mineral:Properties of a mineral:
• Crystal Systems—six basic groups based on crystal faces; often only visible under a microscope. Groups include cubic, hexagonal, tetragonal, orthorhombic, monoclinic, and triclinic.• Cleavage—when a mineral splits easily along flat surfaces. Examples—prismatic, cubic, octahedral• Fracture—how a mineral looks when it breaks apart in an irregular way. Examples—splintery, uneven, hackly
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Properties of a mineral:Properties of a mineral:
• Crystal Systems—six basic groups based on crystal faces
• Cleavage—when a mineral splits easily along flat surfaces. Examples—prismatic, cubic, octahedral• Fracture—how a mineral looks when it breaks apart in an irregular way. Examples—splintery, uneven, hackly
• Tenacity—the resistance of mineral particles to being separated. Examples—brittle, malleable, elastic
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Properties of a mineral:Properties of a mineral:
• Crystal Systems—six basic groups based on crystal faces
• Cleavage—when a mineral splits easily along flat surfaces
• Fracture—how a mineral looks when it breaks apart in an irregular way
• Tenacity—the resistance of mineral particles to being separated. Examples—brittle, malleable, elastic• Special Properties—unique properties not shared by all minerals, such as magnetism, fluorescence, radioactivity, reactivity