Wednesday, 24 of May of 2017

Rough Labradorite

Great deals on Rough Labradorite and other uncut stones. See our specially selected offers below to find the best buys for your Rough Labradorite online today.


1156 G Natural Labradorite Crystal Rough Polished Point From Madagascar Z1017
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792 G Natural Labradorite Crystal Rough Polished Point From Madagascar Z1211
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HOT 103 G Natural Labradorite Crystal Rough Polished Point From Madagascar B1216
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HOT 165 G Natural Labradorite Crystal Rough Polished Point From Madagascar Z321
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315g Natural Labradorite Crystal Rough Polished rock From Madagascar K170
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8075Cts 100 NATURAL WONDERFUL LABRADORITE ROUGH WHOLESALE LOT GEMSTONE AFRICA
8075Cts 100 NATURAL WONDERFUL LABRADORITE ROUGH WHOLESALE LOT GEMSTONE AFRICA
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8700Ct Untreated Natural Labradorite Brazil Rough Gemstone stone CH 4341
8700Ct Untreated Natural Labradorite Brazil Rough Gemstone stone CH 4341
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15900Ct Natural Labradorite Brazil Rough Gemstone stone CH 1382
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18600Ct Untreated Natural Labradorite Brazil Rough Gemstone stone CH 1680
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20400Ct Untreated Natural Labradorite Brazil Rough Gemstone stone CH 1905
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32600Ct Natural Labradorite Brazil Rough Gemstone stone CH 104
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15800Ct Untreated Natural Labradorite Brazil Rough Gemstone stone CH 3560
15800Ct Untreated Natural Labradorite Brazil Rough Gemstone stone CH 3560
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20700Ct Untreated Natural Labradorite Brazil Rough Gemstone stone CH 2336
20700Ct Untreated Natural Labradorite Brazil Rough Gemstone stone CH 2336
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4710 Ct Natural Blue Labradorite Crystal Rough Polished Rock From Madagascar
4710 Ct Natural Blue Labradorite Crystal Rough Polished Rock From Madagascar
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242g Natural Labradorite Crystal Rough Polished rock From Madagascar
242g Natural Labradorite Crystal Rough Polished rock From Madagascar
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8400Ct Untreated Natural Labradorite Brazil Rough Gemstone stone CH 5780
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95 Cts 100 NATURAL BLUE FLASHY LABRADORITE SLICE ROUGH LOOSE GEMSTONEV836
95 Cts 100 NATURAL BLUE FLASHY LABRADORITE SLICE ROUGH LOOSE GEMSTONEV836
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FABULOUS 126CtsNATURAL MULTI LABRADORITE MULTI FLASH POLISH ROUGH GEMSTONE
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TOP RICH 217Cts NATURAL LABRADORITE MULTI PURPLE FLASH POLISH ROUGH GEMSTONE
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80CtsNATURAL MULTI LABRADORITE MULTI FLASH SLAB ROCK ROUGH ROYAL GEMSTONE
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FABULOUS MULTI LABRADORITE MULTI FLASH CARVING ROUGH 87Cts NATURAL GEMSTONE
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1873g Natural Labradorite Crystal Rough Polished From Madagascar 112209
1873g Natural Labradorite Crystal Rough Polished From Madagascar 112209
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201g Natural Labradorite Crystal Rough Polished From Madagascar B0298
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Interesting Video About Rough Labradorite


Labradorite/Spectrolite

Rough Labradorite

writeup on minerals for 7th class student?

A mineral is a naturally occurring substance formed through geological processes that has a characteristic chemical composition, a highly ordered atomic structure, and specific physical properties. A rock, by comparison, is an aggregate of minerals and need not have a specific chemical composition. Minerals range in composition from pure elements and simple salts to very complex silicates with thousands of known forms.[1] The study of minerals is called mineralogy.

Physical properties of minerals
Classifying minerals can range from simple to very difficult. A mineral can be identified by several physical properties, some of them being sufficient for full identification without equivocation. In other cases, minerals can only be classified by more complex chemical or X-ray diffraction analysis; these methods, however, can be costly and time-consuming.

PHYSICAL PROPERTIES

Crystal structure and habit: See the above discussion of crystal structure. A mineral may show good crystal habit or form, or it may be massive, granular or compact with only microscopically visible crystals.

Talc
Rough diamond.Hardness: the physical hardness of a mineral is usually measured according to the Mohs scale. This scale is relative and goes from 1 to 10. Minerals with a given Mohs hardness can scratch the surface of any mineral that has a lower hardness than itself.

Mohs hardness scale:[6]
Talc Mg3Si4O10(OH)2
Gypsum CaSO4┬Ě2H2O
Calcite CaCO3
Fluorite CaF2
Apatite Ca5(PO4)3(OH,Cl,F)
Orthoclase KAlSi3O8
Quartz SiO2
Topaz Al2SiO4(OH,F)2
Corundum Al2O3
Diamond C (pure carbon)
Luster indicates the way a mineral's surface interacts with light and can range from dull to glassy (vitreous).
Metallic -high reflectivity like metal: galena and pyrite
Sub-metallic -slightly less than metallic reflectivity: magnetite
Non-metallic lusters:
Adamantine - brilliant, the luster of diamond also cerussite and anglesite
Vitreous -the luster of a broken glass: quartz
Pearly - iridescent and pearl-like: talc and apophyllite
Resinous - the luster of resin: sphalerite and sulfur
Silky - a soft light shown by fibrous materials: gypsum and chrysotile
Dull/earthy -shown by finely crystallized minerals: the kidney ore variety of hematite
Color indicates the appearance of the mineral in reflected light or transmitted light for translucent minerals (i.e. what it looks like to the naked eye).
Iridescence - the play of colors due to surface or internal interference. Labradorite exhibits internal iridescence whereas Hematite and sphalerite often show the surface effect.
Streak refers to the color of the powder a mineral leaves after rubbing it on an unglazed porcelain streak plate. Note that this is not always the same color as the original mineral.
Cleavage describes the way a mineral may split apart along various planes. In thin sections, cleavage is visible as thin parallel lines across a mineral.
Fracture describes how a mineral breaks when broken contrary to its natural cleavage planes.
Chonchoidal fracture is a smooth curved fracture with concentric ridges of the type shown by glass.
Hackley is jagged fracture with sharp edges.
Fibrous
Irregular
Specific gravity relates the mineral mass to the mass of an equal volume of water, namely the density of the material. While most minerals, including all the common rock-forming minerals, have a specific gravity of 2.5 - 3.5, a few are noticeably more or less dense, e.g. several sulfide minerals have high specific gravity compared to the common rock-forming minerals.
Other properties: fluorescence (response to ultraviolet light), magnetism, radioactivity, tenacity (response to mechanical induced changes of shape or form), piezoelectricity and reactivity to dilute acids.

CHEMIACL PROPERTIES of minerals
Minerals may be classified according to chemical composition. They are here categorized by anion group. The list below is in approximate order of their abundance in the Earth's crust. The list follows the Dana classification system[1][7] which closely parallels the Strunz classification.

Find your Rough Labradorite on Amazon Stores


Fantasia Materials: 1 lb Labradorite Mine Run Rough - (Select 1 to 18 lbs) - Raw Natural Crystals for Cabbing, Cutting, Lapidary, Tumbling, Polishing, Wire Wrapping, Wicca and Reiki Crystal Healing


Fantasia Materials: 1 lb Labradorite Mine Run Rough - (Select 1 to 18 lbs) - Raw Natural Crystals for Cabbing, Cutting, Lapidary, Tumbling, Polishing, Wire Wrapping, Wicca and Reiki Crystal Healing


$9.99


The Fantasia® brand of Labradorite rough you are ordering is 100% natural and imported by the ton directly from Madagascar to Fantasia Mining's USA rock yard. This material displays a beautiful prism effect called labradorescence with flashes of blues, yellows, teal greens and more when viewed from certain angles. It is perfect for cabbing, tumbling, wire wrapping, reiki or keeping in it's natura...

Zentron Crystal Collection: 1/2 Pound Natural Rough Labradorite


Zentron Crystal Collection: 1/2 Pound Natural Rough Labradorite


$7.95


Labradorite is a relative latecomer to the crystal community, having not been discovered until the 19th century. It is named after the region in Canada where it was first found, although large deposits have since been discovered in Norway. This normally drab colored rock is prized for its iridescence. When the light strikes a piece of labradorite just right, it will flash a brilliant array of blue...

Crystal Allies Materials - 3lb Bulk Rough Labradorite Stones from Madagascar - Large 1+ Raw Natural Crystals for Cabbing, Cutting, Lapidary, Tumbling, and Polishing & Reiki Crystal Healing *Wholesale Lot*


Crystal Allies Materials - 3lb Bulk Rough Labradorite Stones from Madagascar - Large 1+ Raw Natural Crystals for Cabbing, Cutting, Lapidary, Tumbling, and Polishing & Reiki Crystal Healing *Wholesale Lot*



The Labradorite stone activates the inner eye and summons forth the magical faculties of its wearer or carrier. It enhances the mental and intuitive abilities such as clairvoyance, telepathy, astral travel, accessing the Akashic records, communicating with higher beings, and past life recall. It also increases the awareness to the degree of synchronicity and serendipity that is taking place in one...







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