crystallizes orthorhombic luster

  • Barite A Description - Rocksandminerals4U

    Barium sulfate crystallizes in the orthorhombic system in tabular or prismatic form. It can be white, Luster: vitreous, greasy Crystal system: orthorhombic

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  • Pyroxene | mineral | Britannica.com

    Pyroxenes crystallize in both the orthorhombic and monoclinic crystal systems. They are similar in colour, lustre, and hardness to the amphiboles but have 

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  • 74 - CHAPTER-IV MINERALOGICAL - Shodhganga

    characterized by its gray to black color ,metallic luster, black to lead gray streak, perfect basal .. P2/c Wolfaramite crystallizes in monoclinic system. With Z=2 the  

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  • Mineral Identifiion Key - Table IIA

    Table IIA: Minerals with a Nonmetallic Luster, Definitely Colored Streak, and S, Orthorhombic, Usually imperfectly crystallized masses or crusts, 2.05 to 2.09 

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  • Pucherite BiVO4 - Handbook of Mineralogy

    Crystal Data: Orthorhombic. Point Group: 2/m Luster: Vitreous to Distribution: In Germany, well-crystallized from the Pucher shaft, Wolfgang Maassen mine,.

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  • 's eye kornerupine - boro-silie - chatoyancy - orthorhombic

    It crystallizes in the orthorhombic – dipyramidal crystal system as brown, green, also yellow to colorless slender tourmaline like prisms It has a vitreous luster.

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  • Aragonite: The mineral aragonite information and pictures

    Although Aragonite crystallizes in the orthorhombic system, most prismatic crystals are hexagonally shaped due to the twinning. Trillings can be identified by  

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  • Cerussite | Define Cerussite at Dictionary.com

    Cerussite is white or gray, resembling anglesite, and has a brilliant, vitreous luster. Birds and Cerussite crystallizes in the orthorhombic system and is isomorphous with aragonite. Crystal structure: orthorhombic Also called: white lead ore.

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  • Manganite | Geology Page

    May 29, 2014 crystallizing in the monoclinic system (pseudo-orthorhombic). Crystals The color is dark steel-grey to iron-black, and the luster brilliant and 

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  • Sulfur | Rock Gem Magazine

    Aug 27, 2018 Elemental sulfur most often crystallizes in the orthorhombic system; two rare, sulfur polymorphs Sulfur is brittle and has a resinous luster.

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  • dangerous minerals - Wise County Fossil, Rock and Mineral Society

    It crystallizes in the orthorhombic system, often in radiating clusters or sprays of luster. It owes its toxicity to antimony, a semimetal closely related to arsenic.

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  • Pinalite - Wikipedia

    Pinalite is a rare lead tungstate–chloride mineral with formula: Pb3WO5Cl2. Pinalite crystallizes in the orthorhombic crystal system. Luster, Adamantine.

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  • Stilbite - International Zeolite Association

    (Indices are based on the pseudo-orthorhombic orientation.) The name is derived from the Greek word for mirror in allusion to its luster on the cleavage plane. . mil) the crystallization temperature of stilbite ranges from 62° to 78°C through 

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  • Atacamite - CAMEO

    Apr 29, 2016 Crystallizes as thin orthorhombic prisms; Brittle with conchoidal fracture; Luster = adamantine to vitreous; Streak = green; Transparent to 

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  • Calcite - Wikipedia

    Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). It has a defining Mohs hardness of 3, a specific gravity of 2.71, and its luster is vitreous in crystallized varieties. Color is white or none, though 

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  • Superconductivity at 3.1 K in the orthorhombic ternary silicide - arXiv

    Harmening et al. reported ScRuSi to crystallize in the orthorhombic Co2P-type phase in metallic luster and were stable in air, whether annealed or not.

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  • Quartz and Prehnite: Minerals during the Renaissance – Wonders of

    Oct 19, 2017 the form of the mineral changes as the mineral crystallizes; hardness, an orthorhombic crystal structure, a vitreous, waxy, and pearly luster, 

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  • Diaspore - National Gem Lab

    crystallizing in the orthorhombic system and isomorphous with goethite. the flattened surface being a direction of perfect cleavage on which the luster is 

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  • Pearl | Birthstones | Gems | Geology Soils | Data Online

    aragonite, a calcium carbonate that crystallizes in the orthorhombic system. The oldest pearls with luster have been recorded from rocks of Eocene age in 

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  • Mineral Reference

    Crystallography: orthorhombic, drusy crust of short prismatic or horizontally elongated Luster: vitreous to pearly,translucent to transparent Hardness: 3.5 - 4 It occurs with other feldspathoids in igneous rocks that have crystallized from  

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  • Orthorhombic crystal system | Revolvy

    It is opaque and dark-gray to black with a metallic luster. It has a Prehnite crystallizes in the orthorhombic crystal system, and most often forms as stalactitic or 

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  • Marcasite Mineral | Uses and Properties - Geology.com

    Dark gray to black. Luster, Metallic when fresh, submetallic after tarnish. Pyrite crystallizes in the isometric system, while marcasite is orthorhombic. The most 

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  • Topaz Mineral Data

    Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pbnm Help on Luster: Luster: Vitreous (Glassy).

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