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Mineral definition and classification
To be classified as a "true" mineral, a substance must be a solid and have a crystal structure. It must also be an inorganic, naturally-occurring, homogeneous substance with a defined chemical composition. The chemical composition may vary between end members of a mineral system. For example the plagioclase feldspars comprise a continuous series from sodium-rich albite (NaAlSi3O8) to calcium-rich anorthite (CaAl2Si2O8) with four recognized intermediate compositions between. Mineral-like substances that don't strictly meet the definition are sometimes classified as mineraloids. Other natural-occurring substances are Nonminerals. Industrial minerals is a market term and refers to commercially valuable mined materials (see also Minerals and Rocks section below).
A crystal structure is the orderly geometric spatial arrangement of atoms in the internal structure of a mineral. There are 14 basic crystal lattice arrangements of atoms in three dimensions, and these are referred to as the 14 "Bravais lattices". Each of these lattices can be classified into one of the six crystal systems, and all crystal structures currently recognized fit in one Bravais lattice and one crystal system. This crystal structure is based on regular internal atomic or ionic arrangement that is often expressed in the geometric form that the crystal takes. Even when the mineral grains are too small to see or are irregularly shaped, the underlying crystal structure is always periodic, and can be determined by X-ray diffraction.
Chemistry and crystal structure together define a mineral. In fact, two or more minerals may have the same chemical composition, but differ in crystal structure (these are known as polymorphs). For example, pyrite and marcasite are both iron sulfide, but their arrangement of atoms differs. Similarly, some minerals have different chemical compositions, but the same crystal structure: for example, halite (made from sodium and chlorine), galena (made from lead and sulfur) and periclase (made from magnesium and oxygen) all share the same cubic crystal structure.
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Vitamins and Minerals :: Nutrients
Nutrition :: Health
Vitamins and Health Foods :: Kosher
New blog posting, Vitamins and Minerals For the Body - http://tinyurl.com/ykvcsjj
astaqauliyah (astaqauliyah) Thu, 10 Dec 2009 05:54:41 -0000
New blog posting, Vitamins and Minerals For the Body - http://tinyurl.com/ykvcsjj
@ChinkyEyesz well it does have 8 essential vitamins and minerals I'm just sayin if I had someone that would be everyday
xMrTheoryx (Mr theory) Thu, 10 Dec 2009 05:52:46 -0000
@ChinkyEyesz well it does have 8 essential vitamins and minerals I'm just sayin if I had someone that would be everyday
First supplement to have full range of vitamins and minerals you need and have them extracted from a plant: http://bit.ly/6FgL4t
glycotrainer (Kevin) Thu, 10 Dec 2009 05:23:15 -0000
First supplement to have full range of vitamins and minerals you need and have them extracted from a plant: http://bit.ly/6FgL4t
RT @HL2: #nevertrust A Niggah that gets 100% of the daily required vitamins and minerals.... Bitch ass nigga.....
HL2 (LOCK MAN) Thu, 10 Dec 2009 01:18:29 -0000
RT @HL2: #nevertrust A Niggah that gets 100% of the daily required vitamins and minerals.... Bitch ass nigga.....
mathewarmstrong: When you cook food you lose 50% of the protein, 70- 80% of the vitamins and minerals and over 90% of the phytonutrients!
SHUTTLECOCK74 (AHMAD T. CHERRY SR.) Thu, 10 Dec 2009 00:53:15 -0000
mathewarmstrong: When you cook food you lose 50% of the protein, 70- 80% of the vitamins and minerals and over 90% of the phytonutrients!
When you cook food you lose 50% of the protein, 70- 80% of the vitamins and minerals and over 90% of the phytonutrients!
mathewarmstrong (Matthew Armstrong) Thu, 10 Dec 2009 00:51:13 -0000
When you cook food you lose 50% of the protein, 70- 80% of the vitamins and minerals and over 90% of the phytonutrients!
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In-sync Minerals - Offers a blend of minerals derived from high yielding humic shale and sea water kelp.
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Mumijo - A.K.A mumio, mountain balsam - history, clinical studies, bibliography, products. Information and sales of supplement.
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The Iodine Source - Detoxified iodine bonded with chlorine, from seaweed in Asia.
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Vital-Earth Minerals, LLC - Offers liquid and tablet vitamins, minerals, and supplements.
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