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apatite rock

13Feb 604
GEO143 Mineral Webpages

Associated Rock types: apatite is found in igneous rocks such as lunar granophyric granite angolite, lujavritite, adakite, borengite, ore olivinite,and ilmenite. Apatite can also be found in sedimentary rocks such as phosphate sandstones, mudstones, and granites, graywacke and biogenic rocks.

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22Feb 1100
Geochemistry of Uranium in Apatite and Phosphorite

Apatite contains only traces of uranium, yet as apatite is a minor constituent in most rocks and the major constituent of a few very large deposits, it accounts, paradoxically, for both

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6Feb 1397
Apatite: From Crystals to Phosphate Rock | Rock & Gem Magazine

 · Apatite: From Crystals to Phosphate Rock. Phosphate rock, which consists largely of microcrystalline apatite-group minerals, is the basis of a multi-billion-dollar mining industry. (Wikimedia Commons) With their stubby, terminated, hexagonal prisms, glassy transparency, and soft, yellow-to-greenish-yellow or blue colors, apatite crystals are a ...

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11Feb 1323
Apatite Mineral Data

McDougall Minerals Google Search for Apatite Mineral News Website Link Rock and Mineral Shows Google Search for Apatite Weinrich Minerals, Inc. Google Search for Apatite. Ask about Apatite here : Ask-A-Mineralogist from the Mineralogical Society of America Mindat ''s Discussion Groups

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28Feb 1037
Amazon : apatite stones

FEEIN 5-8mm Natural Apatite Crystal Tumbled Irregular Stone Chips Beads,Irregular Shaped Healing Power Crystals Energy Gemstones Hole Drilled Loose Rocks Beads for Jewelry Making, 1 Strand 33". 4.1 out of 5 stars. 5. $6.99.

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10Feb 651
An Analysis of Apatite Chemistry in Garnet Porphyroblasts ...

An Analysis of Apatite Chemistry in Garnet Porphyroblasts and in the Matrix of Metamorphic Rocks David B. Limburg Advisor: Dr. Philip Piccoli Introduction There is a relatively small amount of data available relating to apatite chemistry in metamorphic rocks. In this paper I will attempt to analyze apatite in garnet porphyroblasts

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22Feb 1355
Apatite: Meanings, Properties and Healing Powers

Apatite Properties. Apatite is a calcium phosphate and quite a rare tourmaline variety. It comes in many colors and forms, and it''s often confused with many other minerals, such as Aquamarine and Fluorite. It can be opaque, translucent, or transparent.

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15Feb 540
Blue Apatite

Blue Apatite- Small. $ 5.00 – $ 22.50. This is something different for the "Rock Hound" from the crushed rock department at the Rock Shed. Here is a very beautiful batch of above average quality, crushed Small Blue Apatite from Madagascar. The pieces range in size from 1/2″ to 1″ and each has a very unique design and color all its own.

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6Feb 1928
Apatite Mineral | Physical

Phosphate Rock. Phosphate rock and phosphorite are names used for sedimentary rocks that contain at least 15% to 20% phosphate on the basis of weight. The phosphorous content in these rocks is mainly derived from the presence of apatite minerals. Uses of Apatite as Phosphate Rock

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5Feb 1692
Which Minerals Include Phosphate?

 · Reimphoto / Getty Images Apatite (Ca 5 (PO 4) 3 F) is a key part of the phosphorus cycle. It is widespread but uncommon in igneous and metamorphic rocks. Apatite is a family of minerals centered around fluorapatite, or calcium phosphate with a bit of fluorine, with the formula Ca 5 (PO 4) 3 F. Other members of the apatite group have chlorine or hydroxyl that take the place of the fluorine ...

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12Feb 1584
Phosphate Rocks | IntechOpen

 · Apatite [Ca 5 (PO 4,CO 3) 3 (OH,F,Cl)] is the most abundant phosphate mineral, which accounts for more than 95% of all phosphorus in the Earth''s crust and is found as an accessory mineral in most rock types 1. A rock may be best defined as any mineral or aggregate of minerals that forms an essential part of the Earth [].Apatite is found in all classes of rock: igneous, metamorphic and ...

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6Feb 1058
Apatite

Blue apatite is a prized mineral specimen by rock collectors for its vibrant royal blue color. Most of the apatite rock mined throughout the world is used to produce phosphate fertilizer. It is also used to produce animal feed supplements, phosphoric acid, elemental phosphorous, and phosphate compounds for the chemical industry.

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29Feb 1400
Apatite (Natural) | Rock Deco

Our Natural apatite is sourced from miners in Pakistan. We select the most vibrant blue and green rough for cutting and offer only those gems that really Pop! Showing all 22 results

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28Feb 844
Apatite: Mineral information, data and localities.

"Apatite" is a field term for unidentified calcium phosphate members of the apatite group. Most "apatite" is fluorapatite, whereas hydroxylapatite is much less common and chlorapatite is very rare. "Apatite" crystals are short to long hexagonal prisms [0001], with {10 1 0} and {10 1 1} dominant; also thick tabular {0001}, frequently in the crystals of hydrothermal origin in pegmatites and ...

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29Feb 1706
The Versatile Apatite Mineral Group

 · Apatite contains many minor and trace elements and can be used as an ore for rare earth elements. The largest apatite deposits are found in sedimentary rocks, but apatite also occurs in igneous and metamorphic rock. In sedimentary beds of phosphate rock, apatite occurs as a white or brownish earthy mass which must be detected by chemical tests.

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7Feb 1002
Facts About Apatite: Meanings, Properties, and Benefits ...

 · Apatite helps in making your teeth and bones stronger by enhancing the absorption of calcium of your body. It also plays a very important role especially in healing the bones and cartilage. This stone is known to cure the meridians, glands, and organs. In point of fact, Apatite also alleviates the symptoms of joint issues like arthritis.

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1Feb 579
Apatite

Buy Apatite. Apatite for sale at wholesale prices. Apatite is one of the defining minerals on the MOHS scale of hardness (5) so it is important in gemology. It is a very common mineral and gem quality crystals can be found in Brazil, Indian,Kenya, Mexico, Madagascar, Burma, Norway, South Africa and the USA.

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13Feb 735
Apatite: Mineral information, data and localities.

"Apatite" is a field term for unidentified calcium phosphate members of the apatite group. Most "apatite" is fluorapatite, whereas hydroxylapatite is much less common and chlorapatite is very rare. "Apatite" crystals are short to long hexagonal prisms [0001], …

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6Feb 1348
Apatite: Its uses as a mineral and gemstone

Yellow Apatite Crystal, Golden Apatite Terminated Point, Natural Untreated Stone, Mineral Rock, 4.9g / 24.5ct 21mm Gemini. (2-802) ForestgemStore

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11Feb 1497
Apatite

Apatite is a group of phosphate minerals, usually referring to hydroxyapatite, fluorapatite and chlorapatite, with high concentrations of OH −, F − and Cl − ions, respectively, in the crystal.The formula of the admixture of the three most common endmembers is written as Ca 10 (PO 4) 6 (OH,F,Cl) 2, and the crystal unit cell formulae of the individual minerals are written as Ca 10 (PO 4) 6 ...

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3Feb 590
Blue Apatite: Meanings, Properties and Powers

Blue Apatite Properties. Blue apatite is a form of the mineral group that was named apatite in 1786, although the strict definition of this mineral formation was not determined, as it is used today, until 1860. The mineral apatite comes from a Greek word meaning "to deceive," because of its unusual origins.

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11Feb 990
APATITE AND ROCK PHOSPHATE Indian Minerals Yearbook …

APATITE AND ROCK PHOSPHATE 1 Apatite and Rock Phosphate Apatite is the most abundant crystalline phosphate mineral found as an accessory mineral in practically all kinds of igneous rocks. Sometimes, it is concentrated in pegmatites, metallic veins and magmatic deposits. It also occurs in metamorphic rocks and as a secondary

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24Feb 1635
Apatite: the great unknown gemstone | The Jewellery Editor

 · Apatite is a group of phosphate minerals found in abundance in nature, in the human body in the form of tooth enamel and bone mineral, and even in Moon rocks brought back to Earth by Apollo astronauts. As the world''s most common source of phosphorous, some forms of apatite are used in the manufacture of fertilizers, acids and chemical products.

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10Feb 667
Appetite For Apatite: Rock-Eating Fungi Help "Mine ...

 · Appetite For Apatite: Rock-Eating Fungi Help "Mine" Minerals Date: June 27, 2002 Source: University Of Michigan Summary: With the help of rock …

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28Feb 1059
Apatite Mineral | Physical

 · Phosphate Rock. Phosphate rock and phosphorite are names used for sedimentary rocks that contain at least 15% to 20% phosphate on the basis of weight. The phosphorous content in these rocks is mainly derived from the presence of apatite minerals. Uses of Apatite as Phosphate Rock

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16Feb 1233
APATITE Crystals and Tumbled, Specimens in Green, Yellow ...

Green Apatite is a stone of both water and earth elements and activates the Heart, Throat, and Third Eye) Chakras, and allows one to clearly communicate the balanced wisdom of mind and heart. It is a soothing and cooling stone, and is recommended for alleviating excessive stress and frayed nerves. nervous system. Yellow and green apatite changes color according to the light it is viewed in, i ...

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17Feb 691
Rough Apatite | Raw Apatite Rock for Sale

Rough Apatite. Apatite is a special gemstone found in a beautiful variety of blue-green colors. Apatite is often mistaken for other minerals. This tendency is reflected in the mineral''s name, which is derived from the Greek word απατείν (apatein), which means to deceive or to be misleading.. For years, Mail Order Gems has provided thousands of loose-faceted gemstone lots.

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26Feb 1139
Meta-ilmenite-apatite-rock: Mineral information, data and ...

A metamorphosed ilmenite-apatite-rock. SUPPORT US. Covid-19 has significantly affected our fundraising. Please help! Log In Register. Language: ...

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10Feb 1610
Rock Tumbling Apatite Crystal

Documenting Rock Tumbling self collected apatite crystals in a rotary tumbler. Not my best results, but I show the steps and have some fun.Here is the link ...

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20Feb 1089
What is apatite rock?

 · Apatite rock belongs to the Phosphate mineral group. Its primary use is in the production of fertilizer as a source of phosphorus and it is occasionally used as a gemstone.

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7Feb 1142
Phosphate Deposits

Apatite is slowly soluble in neutral or alkaline waters, and its solubility increases with increasing acidity, decreasing hardness, and decreasing temperature. Apatite may survive rock weather­ ing for a time to form a phosphate-rich residuum, but it breaks down under prolonged exposure. Some of it …

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