Which is the best description of an orthoclase?

Winston Bogan asked a question: Which is the best description of an orthoclase?
Asked By: Winston Bogan
Date created: Sun, Oct 17, 2021 8:54 AM

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Top best answers to the question «Which is the best description of an orthoclase»

  • Crystalline orthoclase can also be white, colorless, cream, pale yellow, or brownish red. Orthoclase appears as well-formed, short, prismatic crystals, which are frequently twinned. It may also occur in massive form.

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Those who are looking for an answer to the question «Which is the best description of an orthoclase?» often ask the following questions:

👉 Which is the best description of actinolite?

  • Actinolite belongs to the amphibole group of minerals and are included in the subclass of inosilicates. Actinolite is normally dark to light green in colour and occasionally occurs in shades of greyish-green to nearly black. Transparent well-developed crystals of Actinolite are rare and are faceted into small attractive gems for collectors.

👉 Which is the best description of chlorastrolite?

  • Chlorastrolite also known as Isle Royale Greenstone, is a green or bluish green stone. Chlorastrolite has finely radiating or stellate (for examples, see crystal habits) masses that have a "turtleback" pattern. The stellate masses tend to be chatoyant, meaning they have a varying luster.

👉 Which is the best description of rhodonite?

  • Rhodonite. Rhodonite is a manganese inosilicate, (Mn, Fe, Mg, Ca)SiO 3 and member of the pyroxenoid group of minerals, crystallizing in the triclinic system. It commonly occurs as cleavable to compact masses with a rose-red color (the name comes from the Greek ῥόδος rhodos, rosy), often tending to brown because of surface oxidation .

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We've handpicked 20 related questions for you, similar to «Which is the best description of an orthoclase?» so you can surely find the answer!

Which is the best description of apatite crystal?

  • Jump to navigation Jump to search. Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, with high concentrations of OH −, F − and Cl − ions, respectively, in the crystal.

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Which is the best description of azurite color?

  • It is best known for its characteristic deep blue to violet-blue color. The blue color, known as "azure," is like the deep blue evening skies often seen above deserts and winter landscapes. Azurite is not a common or abundant mineral, but it is beautiful and its blue color attracts attention.

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Which is the best description of celestine mineral?

  • The Mineral celestine. Celestine is an attractive mineral that forms in well-shaped crystals with a distinctive soft blue color. Crystals may be a solid color, but may also have lighter and darker color zones of blue.

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Which is the best description of a brilliant diamond?

  • A brilliant is a diamond or other gemstone, cut in a particular form with numerous facets so as to have exceptional brilliance. The shape resembles that of a cone and provides maximized light return through the top of the diamond.

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Which is the best description of a mineral wavellite?

  • The Mineral wavellite. Wavellite is a classic radiating mineral, forming spectacular pinwheel aggregates emanating from a central core in spherulitic balls. When the balls are complete, the radial structure is internal and not usually visible. A crystal aggregate needs to be fractured to see and appreciate the outstanding radial habit of Wavellite.

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Which is the best description of the mineral petalite?

  • Petalite, also known as castorite, is a lithium aluminium phyllosilicate mineral LiAlSi 4O 10, crystallizing in the monoclinic system. Petalite is a member of the feldspathoid group. It occurs as colorless, grey, yellow, yellow grey, to white tabular crystals and columnar masses.

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Orthoclase?

Orthoclase | AlKO8Si3 | CID 3080680 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

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Which mineral group does orthoclase belong to?

the silicates

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To which mineral group does orthoclase feldspar belong?

Orothoclase Feldspar belong to the silicates group.

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Which is a low temperature form of orthoclase?

  • Adularia is a low temperature form of either microcline or orthoclase originally reported from the low temperature hydrothermal deposits in the Adula Alps of Switzerland. It was first described by Ermenegildo Pini in 1781.

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Which is an example of an orthoclase mineral?

  • Orthoclase is industrially important in the manufacture of glass and ceramics. Orthoclase crystals and twins provide information on the formation of minerals and environmental factors. Well shaped crystals and twins are highly sought after by mineral collectors, and the Moonstone variety is used as a gemstone.

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Which is an intergrowth of orthoclase and albite?

  • An adularescent gem material known as moonstone is an intergrowth of orthoclase and albite. Minerals in Igneous Rocks: This chart shows the generalized ranges of mineral abundance in the most common igneous rocks. It shows orthoclase as a major constituent in granites and rhyolites and in some diorites and andesites.

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Which is faster the orthoclase or the microcline?

  • Orthoclase Length fast/slow no slow or fast length Diagnostic features Distinguishable from microcline by a lac ... Other characteristics Low negative relief; Alters to sericite ... References 23 more rows ...

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Which is formed by exsolution of the orthoclase?

  • While slowly cooling within the earth, sodium-rich albite lamellae form by exsolution, enriching the remaining orthoclase with potassium. The resulting intergrowth of the two feldspars is called perthite .

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Which is more common oligoclase or orthoclase sunstone?

  • Oligoclase sunstone is more common than orthoclase sunstone. Essentially, any form of aventurescent feldspar can be marketed as 'aventurine feldspar'. Sunstone is the official state gemstone for Oregon, USA.

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Which is the highest value for an orthoclase?

  • Orthoclase Value. Highest values go to adularescence, transparency, size. The International Gem Society (IGS) has a list of businesses offering gemstone appraisal services.

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Which is the most beautiful color of orthoclase?

  • Orthoclase is a gemstone that has many color variations. There are green, brown, white, and black. They are usually sold in bracelets. The more beautiful the color is, the more expensive it is.

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Which is the most common color of orthoclase?

  • It can form on most granites and pegmatites, as well as being one of the main chemical components of Moonstone. The most common colors of Orthoclase are usually a beige-grey or light brown, but can also be found in white, pink, and various shades of red. This mineral was first discovered in 1801 by R.J. Hauy.

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What's the best way to store an orthoclase gem?

  • Always remove orthoclase jewelry before engaging in vigorous physical activity. Store orthoclase away from other gemstones to avoid scratches. It is best to wrap gemstones in soft cloth or place them inside a fabric-lined jewelry box. © 2005-2021 GemSelect.com all rights reserved.

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Which is an end-member of the orthoclase system?

  • Orthoclase and the sodium-bearing end-member of the system, albite (sodium aluminosilicate; NaAlSi 3 O 8 ), form the alkali feldspars, a series in which sodium-bearing and potassium-bearing species intermingle; thus, there is a continuous chemical variation between the two end-members.

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