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Rocks and Minerals

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by

Malia Nichols

on 3 January 2013

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Transcript of Rocks and Minerals

Rocks and Minerals By-Malia Mineral Mineral -A solid inorganic substance of natural occurrence Rock The solid mineral material forming part of the earths surface and other planets Rock- Defintions Quartz Quarts is naturally occurring substance, inorganic, solid, and has a crystal structure with definite chemical composition. It is an igneous rock.
It's rock colors
vary to milky quartz it is a cloudy white
variety rose quartz is the pinkish to reddish pink variety.
It's texture is gritty and sandy, and often kind of waxy it is, also a fine grained rock. Sulfur Sulfur is a naturally occurring substance, inorganic, and has a crystal structure with definite chemical composition.
It is an igneous rock.
It's rock colors is a bright-yellow to a yellow-brownish color.
Ohio's State Gem Is Flint 6 ways used to identify minerals Color
Streak
Luster
Density
Hardness
Cleavage and Fracture Luster Types include Metallic, and Nonmetallic. 10 common minerals from the Moh's hardness scale. Talc

Gypsum

Calcite

Fluorite

Apatite

Orthoclase feldspar

Quartz

Topaz

Corundum

Diamond The streak test is done by rubbing a mineral against a piece of unglazed porcelain tile. absolute hardness mineral 1 3 9 21 48 72 100 200 400 1600 The two ways a mineral can break off.
A mineral that splits easily along flat surfaces has a property called cleavage.
Fracture describes how a mineral looks when it breaks apart in an irregular way Crystal forms rhombohedron pyramid pinacoid The three different type of rocks in the rock cycle are
sedimentary, igneous, and, metamorphic. Intrusive The two types of rocks are.................... Extrusive Igneous rock that formed when magma hardened beneath earth's surface is called intrusive rock. Extrusive rock is igneous rock formed from lava that erupted onto earth's surface. Igneous rock Sedimentary Rock The three types of minerals include Clastic, Organic, and Chemical. What has to be present for sedimentary rock to form is a series of processes which is- Erosion, Deposition, Compaction, and Cementation. METAMORPHIC ROCK The to types of metamorphic rock is foliated and non-foilated. METAMORPHIC The two types of metamorphic rock is foliated and non-foliated they are classified according to the arrangement of the grains that make up the rock. For metamorphic rock to form out of sedimentary rock or igneous rock heat and pressure from beneath the Earth's surface must be present. Foliated Metamorphic rocks that have their grains arranged in parallel layers or bands are said to be foliated. NON-FOLIATED Metamorphic rocks that are non-foliated do not split into layers.
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