Rocks and Minerals
A rock is a compound composed of two or more minerals. It is classified into three types based on how it is formed – igneous, sedimentary and metamorphic. Meanwhile, a mineral is grouped in classes based on its chemical properties.
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Slower rates of cooling will create larger crystals. Rapid cooling allows little time for element accumulation in the crystal,...
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No. Waxy is similar to the sheen on an unburnt candle's surface (hence, waxy). A cut diamond's luster is considered to be...
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Calcite is largely made of calcium carbonate. Halite is basically rock salt - sodium chloride.
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Yes. It is found in rocks, and has the chemical formula CaCO3 . It's a form of limestone.
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Most fossils are preserved plant or animal bodies living in or near water. There are no animals or plants which can live in...
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Yes, diamond is brittle. Although it is extremely hard, diamond can shatter if struck with a heavy blow.
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depends a rock made from lava is an igneous rock.
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Sedimentary rocks come from above ground , because sedimentary rocks form when sediment piles up and sediment is made up of loose...
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Greenstone, also known as greenschist, is a non layered metamorphic rock derived from basalt, gabbro or similar rocks containing...
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Slaty cleavage is a result of stress and the resultant strain during the metamorphism process where the minerals that make up the...
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it is round and different sizes and is found in the forest
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The rocks are found in The islands of the Lower Keys in the Florida Keys, as well as some barrier islands east of Miami bordering...
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Rocks are categorized into three distinct types based on their method of formation. The three types are igneous, sedimentary, and...
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It depends on what kind of fossils. You may find micro fossils in metmorphosed sediments such as Gunflint Chert from pre-Cambrian...
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Gold is a naturally occurring element (element symbol Au, atomic number 79), that is created in nature e.g. during supernovae...
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Talc is insoluble in water.
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Density, boiling point, melting point, concentration etc...
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The rock layers are subjected to many different types of forces. Some of them are: 1. Weathering2. Climate change-torrential...
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Examples of metamorphic rock include: Slate Gneiss Skarn Phyllite Amphibolite Schist Quartzite Marble Granulite Blueschist...
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1. Disconformity. 2. Angular Unconformity. 3. Non-Conformity.
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Marble is a very soft 'somewhat brittle' stone. This means that slabs of marble are relatively easy to carve and polish. However,...
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Gold is an element--gold. There's only gold in it. Pyrite--fool's gold--is a compound of iron and sulfur. Gold has the chemical...
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No limestone is sedimentary. It can be either an organic sedimentary rock, or a clastic sedimentary rock.
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true
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A brick
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Metamorphism occurs and they change to metamorphic rocks
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Pumice has remarkable abrasive qualities that allow it to be used in many places. We see it used as a dental abrasive, an...
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To meet the definition of a mineral, a substance must be an inorganic, naturally occurring solid, with a set parameter of...
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luster is colorless its transparent
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Many minerals have highly variable colors, eg. fluorite or garnet, which are found in every color.
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Lignite is a kind of coal (brown coal).
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Minerals are naturally occurring inorganic solids, with a definite chemical formula and a crystalline structure. Rocks are...
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All rocks have different properties .
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Sedimentary rocks can be identified by the size of their particles.
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Fossils abound in sedimentary rock, you are in fact very likely to find them there.
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Broadly weathering, erosion, deposition, compaction and cementation.
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Sedimentary rock has several characteristics which make it possible to distinguish from other rock types. Clastic sedimentary...
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No, there are billions of tons of basalt throughout the world.
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Sedimentary rocks are the result of weathering, and erosion of other rocks within the rock cycle and from the death and...
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amethysts are created naturally, although i thimk they're common in africa.
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hardness, luster, streak and cleavage.
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sedimentary, the oil is formed within a source rock formed with high quantities of decomposed vegetation, then a reservoir rock...
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The particles of dustless chalk are very heavy and tend to fall directly to the floor instead of floating in the air, while the...
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Luster is one of the properties used in the preliminary identification of some minerals. Related Information: Luster, refers to...
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a sill:)
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nonmetallic. if its not shiny then its nonmetallic
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Granite is formed from the slow cooling of high silicate magma intrusions that have risen through the crust and formed large...
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Through weathering and erosion of the igneous rock. The igneous rock, exposed to weathering processes at the surface, breaks into...
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Metamorphic rocks may display foliation, which is the layering, banding, or platiness that is associated with the rearrangement...
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chuck norris
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Calcite is calcium carbonate, and dissolves when in contact with acid.Quartz is silicon dioxide.There are lots of differences...
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Sedimentary rocks are most often lithified sediments, the origin of which may be from igneous, metamorphic, or other sedimentary...
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Minerals possess a number of properties that are used as an aid in their identification. These are listed below with a brief...
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The link gives a visual representation of future continental drift that is expected. However, this drift occurs very slowly....
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Ferrous minerals are iron-rich minerals that tend to be dark and heavy and generally crystallize at the highest temperatures and...
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no heat and pressure, no volcanoes, no molten rock.
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The texture would reflect the degree and type of metamorphism which had led to its formation. Rock can experience various stages...
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a type of rock that forms when heat or pressure changes an existing rock
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Graphite is a type of mineral which is most known for its use in pencils. Graphite is carbon arranged in a very different way to...
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the heat and pressure of magma
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Snow is a mineral, like diamonds or salt. The definition of a mineral is: "A mineral is a naturally occurring homogeneous...
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Igneous rock can be found on the surface in areas of current or past volcanism or in uplifted and eroded areas of past plutonic...
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Basalt varies in mineral composition. Plagioclase feldspar, pyroxene, olivine, magnetite, and ilmenite are common minerals...
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Some commom metamorphic rocks are: slate, quartzite, marble, schists , and gneiss, (but pronounced "nice").
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Changes in the structure, texture, or mineralogy of existing rocks will create a metamorphic rock. Metamorphism can result from...
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Foliation is a geologic term that is used to describe the banded or layered appearance of metamorphic rocks. Foliated...
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i think its a geode
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Granite is an intrusive igneous rock (formed from the slow cooling of magma underground), the major component of the continental...
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this is how you say it:tan-tail-yoom
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Rock composition refers to the weight percentages (wt%) of minerals contained in the rock.
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Greenschist, blueschist, zeolite, granulite and eclogite high grade metamorphic rocks.
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Folding is usually the result of compressional stress. This may also cause thrust / reverse faults.
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Chickpeas, i think
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A mineral is a naturally occurring, inorganic, solid substance, with a crystalline structure and a narrow range of chemical...
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I can give an answer to this question with respect to Sri Lankan regulations. There are two major types of drinking water. 1....
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Accumulating deposits of sand from wind or water deposition are initially created. The weight from the deposits above cause...
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Mineral water is rain water that fell as distilled water, then drained into the ground where it dissolved out some of the...
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Silicate Minerals: Quartz Feldspars Olivine Micas Beryl Nonsilicate Minerals: Galena Pyrite Sulfur Hematite
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Calcite is most commonly found in limestone, and its metamorphic counterpart, marble. Calcite is a fairly common mineral, found...
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Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form at temperatures and pressures...
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Foliation is a descriptive term applied to certain types of metamorphic rocks, so, by definition, Yes, a folate rock is...
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As new oceanic crust is being made in one area older crust is being subducted, (pushed or pulled down), in another area, so Earth...
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no there's none but u can predict it by looking at its color.
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Answerfrom windows.ucar.edu (see link to the left): Everyone's favorite way of identifying calcite is the acid test. When you...
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No. By definition, a mineral must be a solid.
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Metamorphic rocks are formed from a protolith, or parent rock, which can be of any rock type (igneous, sedimentary, or...
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Galena is lead sulfide...an ore of lead; and also contains varying amounts of silver.
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Rock metamorphosis, or metamorphism, is the change in the crystalline components, chemical composition, or structure of rocks...
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Lead in pure form is a metal. Lead-ore will probably contain silicate minerals, however, the lead itself is not a silicate...
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