Geology MINERALS. What is a Mineral? Does it occur naturally? Is it inorganic? Does it have a...
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Transcript of Geology MINERALS. What is a Mineral? Does it occur naturally? Is it inorganic? Does it have a...
![Page 1: Geology MINERALS. What is a Mineral? Does it occur naturally? Is it inorganic? Does it have a crystal structure? Is it made up of the same element (s)](https://reader035.fdocuments.us/reader035/viewer/2022062805/5697bfe81a28abf838cb644b/html5/thumbnails/1.jpg)
GeologyGeology
MINERALSMINERALS
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What is a Mineral?What is a Mineral?
Does it occur Does it occur naturally? naturally?
Is it inorganic?Is it inorganic? Does it have a crystal Does it have a crystal
structure? structure? Is it made up of the Is it made up of the
same element (s) same element (s) throughoutthroughout??
In order to be a mineral, you must be able to answer “yes” to all of the following questions:
Cubic Fluorite Crystal
A naturally formed, inorganic solid with a definite crystal structure.
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Which is the real diamond?Which is the real diamond?
Minerals are not man-made.
For example, brass, bronze and aluminum are not considered minerals in that they are not found in nature.
Synthetic gemstones are not considered minerals. They are produced in laboratories, they do not meet the classic definition of a mineral.
Naturally Occurring
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Real or Fake?Real or Fake?
How To Tell If Your Diamond Is A Fake (Diamonds)
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Is it inorganic?Is it inorganic?
Minerals are NOT produced by organic processes. As a result things like pearls, coral, and amber are not considered minerals.
Barite Rose - A flower like growth of Barite crystals.
Inorganic
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Does it have a crystal structure?Does it have a crystal structure?
Made up of crystals that have arepeating structure.
All minerals have a crystalline form. Crystals form because the minerals are pure, or nearly pure elements.
Crystalline Pattern of Halite
Red = Sodium
Green = Chlorine
Halite (salt) from Searles Lake, CA
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Is it made up of the same element (s) Is it made up of the same element (s) throughoutthroughout??
Minerals can be expressed by a chemical formula. The internal order of minerals means that there is a definite relationship in the number of atoms that makes up the mineral.
Halite - NaCl
For every atom of Sodium there is an atom of Chlorine. Definite Chemical
Composition
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MINERALSMINERALS
MINERALMINERAL
•Naturally occurringNaturally occurring•InorganicInorganic•SolidSolid•Ordered internal structureOrdered internal structure•Definite chemical compositionDefinite chemical composition
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Is it a mineral?Is it a mineral?
PetroleumPetroleum
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Is it a mineral? Is it a mineral?
GoldGold
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Is it a mineral?Is it a mineral?
Synthetic DiamondsSynthetic Diamonds
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Is it a mineral?Is it a mineral?
CoalCoal
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Is it a mineral?Is it a mineral?
SilverSilver
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Is it a mineral?Is it a mineral?
GraniteGranite
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Is it a mineral?Is it a mineral?
SteelSteel
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How do Minerals Form?How do Minerals Form?
Hot magma cooling inside the Earth.Hot magma cooling inside the Earth.
Lava hardening outside, on the Lava hardening outside, on the surface of the Earth.surface of the Earth.
Elements and compounds dissolving Elements and compounds dissolving in water (solution).in water (solution).
Evaporation Evaporation
Giant Crystal Cave | Cave of Giant Crystals | National Geographic Channel