Selenite Cluster Mineral Specimen
Selenite Cluster Mineral Specimen. GYPSUM (var. SELENITE) HISTORY, NAME, LOCALITIES: Gypsum, pronounced JIP-sum, is hydrous calcium sulfate. Its name stems from the Greek gypsos, or "plaster," alluding to one of its early uses. Selenite, pronounced SELL-en-ite, is the crystalline variety of gypsum.
Bowenite
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Molybdenite | mineral | Britannica
Molybdenite, the most important mineral source of molybdenum, molybdenum disulfide (MoS2). Molybdenite crystals have the same hexagonal symmetry as those of …
Trolleite
TROLLEITE. HISTORY, NAME, LOCALITIES: Trolleite, pronounced TRAHL-ah-ite, was recognized as a mineral species in 1868 after a study of specimens collected at the Västanå iron mine in Sweden.
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Dogtooth Calcite Mineral Specimen
Dogtooth Calcite Mineral Specimen. CALCITE . HISTORY, NAME, LOCALITIES: Although known since antiquity, calcite's many confusing crystal habits precluded recognition as a species until 1845.
Talc
With a Mohs hardness of 1.0, talc is the softest of all minerals. It is translucent to opaque with a pale- to bright-green color and has perfect cleavage in one direction and a specific gravity of 2.7-2.8.
Australia
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Molybdenite | Properties, Occurrence, Uses and Sources
Molybdenite is a naturally occurring mineral composed of molybdenum disulfide (MoS2). It is an important source of molybdenum, a transition metal with …
Pyromorphite
Pyromorphite is a secondary mineral that forms in the oxidized zones of lead deposits and is usually associated with such minerals as wulfenite, anglesite, and cerussite. METAPHYSICAL PROPERTIES, LORE, USES: Metaphysical practitioners believe that pyromorphite refreshes one's attitude and increases personal power by attracting …
Celestine 1 1/2" x 2"
Celestine, the most abundant strontium-containing mineral, has a Mohs hardness of 3.0-3.5, perfect cleavage in one direction, and a specific gravity of 3.9-4.0. It is an evaporite mineral that forms in enclosed basins from evaporation of mineral-rich water. It also occurs in disseminated form in limestone.
Fluorite
FLUORITE. HISTORY, NAME, LOCALITIES: Fluorite was used as a metallurgical flux as early as 500 B.C. Its name stems from the Latin fluere, meaning "to flow," alluding to its ability to reduce the melting temperature of metals in smelting processes.
Mimetite
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Gypsum Selenite
GYPSUM (var. SELENITE) HISTORY, NAME, LOCALITIES: Gypsum, pronounced JIP-sum, is hydrous calcium sulfate. Its name stems from the Greek gypsos, or "plaster," alluding to one of its early uses.
Morganite
It occurs primarily in granite pegmatites in association with such minerals as albite, quartz, and muscovite. METAPHYSICAL PROPERTIES, LORE, USES: Although rare, morganite enjoys considerable popularity as a gemstone.
Brookite
BROOKITE: Brookite, or titanium dioxide, is an uncommon mineral that occurs mainly in alpine-cleft-type deposits. It is collected for its rarity; thin, platy, crystals; and unusual reddish-black to amber colors.
Sphalerite
Molybdenite; Mookaite Jasper; Moonstone; Muscovite; Muscovite (var. Fuchsite) N. Neptunite; O. ... HISTORY, NAME, LOCALITIES: Sphalerite, or zinc sulfide, has been known since antiquity and was recognized as a mineral species in 1824. Its name, pronounced SFAH-leh-rite, is derived from the Greek sphaleros, meaning "treacherous" …
Selenite Desert Rose Mineral
Desert roses are most commonly comprised of two minerals, selenite (gypsum) and/or barite. Selenite from the Latin, selenites, Greek, selene literally translating to "Moon". Ranges from transparent to pearly luminosity, is an evaporate that has 4 varities of the mineral gypsum, selenite, satin spar, desert rose and gyspum flower.
Gypsum (var. Selenite)
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Aragonite Minerals | Celestial Earth Minerals
Celestial Earth Minerals offers aragonite. Aragonite grows in a wide range of translucent to transparent pastel colors and crystallizes in the orthorhombic system.
Rainbow Fluorite
The "rainbow" variety forms when mineral solutions with continuously changing chemical compositions crystallize in sequential layers to create banding patterns of different colors and thicknesses.
Cactus Quartz
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Molybdenite MoS2
Chalcopyrite, other copper sulfides. Distribution: Of widespread occurrence; the most abundant molybdenum mineral. Fine crystals occur, in the USA, at the Crown Point …
Cobalt Calcite w/Dolomite 4" x 2"
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Kolwezite
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WULFENITE, MOLYBDENITE, AND MOLYBDENUM
Wulfenite will always be the most collectible molybdenum mineral for its rarity, excellent crystal development, and, most importantly, its bright yellow-orange colors. But when …
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The other molybdenite-group minerals include drysdallite, or molybdenum diselenide (MoSe 2), and tungstenite, or tungsten disulfide (WS 2). Molybdenite's perfect, one-directional cleavage, softness, and greasy feel are explained by the complex bonding within its crystal lattice. The molybdenite molecule consists of a molybdenum atom bound to two
Minerals explained 39: Molybdenite
Minerals explained 39: Molybdenite Bob King First published: 08 March 2004 https://doi/10.1111/j.1365-2451.2004.00444.x Citations: 3 Read the full text …
Molybdenite Mineral Data
Molybdenite Crystallography. Axial Ratios: a:c = 1:3.8924. Cell Dimensions: a = 3.16, c = 12.3, Z = 2; V = 106.37 Den (Calc)= 5.00. Crystal System: Hexagonal - Dihexagonal …
Colemanite
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Selenite Egg
Selenite from the Latin, selenites, Greek, selene literally translating to "Moon". Ranges from transparent to pearly luminosity, is an evaporate that has 4 varities of the mineral gypsum, selenite, satin spar, desert rose and gyspum flower.