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amphibole    音标拼音: ['æmfəb,ol] ['æmfɪb,ol]
n. 角闪石

角闪石

amphibole
n 1: a mineral or mineral variety belonging to the amphibole
group

Amphibole \Am"phi*bole\ ([a^]m"f[i^]*b[=o]l), n. [Gr.
'amfi`bolos doubtful, equivocal, fr. 'amfiba`llein to throw
round, to doubt: cf. F. amphibole. Ha["u]y so named the genus
from the great variety of color and composition assumed by
the mineral.] (Min.)
A common mineral embracing many varieties varying in color
and in composition. It occurs in monoclinic crystals; also
massive, generally with fibrous or columnar structure. The
color varies from white to gray, green, brown, and black. It
is a silicate of magnesium and calcium, with usually
aluminium and iron. Some common varieties are {tremolite},
{actinolite}, {asbestus}, {edenite}, {hornblende} (the last
name being also used as a general term for the whole
species). Amphibole is a constituent of many crystalline
rocks, as syenite, diorite, most varieties of trachyte, etc.
See {Hornblende}.
[1913 Webster]


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  • Amphibole - Wikipedia
    Amphibole ( ˈæmfəboʊl AM-fə-bohl) is a group of inosilicate minerals, forming prism or needlelike crystals, [1] composed of double chain SiO 4 tetrahedra, linked at the vertices and generally containing ions of iron and or magnesium in their structures
  • Amphibole | Common Minerals
    Amphibole minerals’ defining characteristics are their dark color, hardness and well-developed cleavage These usually serve to distinguish them from most other common rock-forming minerals with the exception of the pyroxene mineral group
  • Amphibole | Structure, Composition Uses | Britannica
    Amphibole, from the Greek amphibolos, meaning “ambiguous,” was named by the famous French crystallographer and mineralogist René-Just Haüy (1801) in allusion to the great variety of composition and appearance shown by this mineral group
  • Amphibole Supergroup: Mineral information, data and localities.
    The amphibole group remains under study with the most recent, IMA-approved nomenclature being published in 2012 (Hawthorne et al , 2012, superseding Hawthorne Oberti, 2006)
  • Amphibole Minerals: Properties, Types, and Geological Significance
    Comprehensive guide to amphibole minerals, their types, properties, occurrence in rocks and sand, and economic importance
  • Amphiboles - ALEX STREKEISEN
    The mineral nomenclature of the amphiboles is divided into four principal subdivisions based on B-group cation occupancy: (1) the iron-magnesium-manganese amphibole group, (2) the calcic amphibole group, (3) the sodic-calcic amphibole group, and (4) the sodic amphibole group
  • Introduction to Amphibole Group Minerals - MineralExpert. org
    The amphibole supergroup is a group of more then hundred rock-forming silicates This article provides general introduction to structure, physical properties and chemical composition of amphiboles
  • Amphibole Group Minerals | Properties and Occurrence
    Amphibole is an crucial institution of usually darkish-colored, inosilicate minerals, forming prism or needlelike crystals,composed of double chain SiO4 tetrahedra, connected at the vertices and normally containing ions of iron and or magnesium in their systems
  • Amphibole Minerals: Types, Formation, Global Occurrence Value . . .
    Amphibole is a diverse group of inosilicate minerals that are key components in many igneous and metamorphic rocks Their prismatic or needle-like crystals, variety of colors, and unique structures make them fascinating for collectors, geologists, and enthusiasts
  • AMPHIBOLE Definition Meaning - Merriam-Webster
    David Bressan, Forbes, 31 Dec 2024 For example, the titanium composition of quartz will vary as temperature changes, or the aluminum content of hornblende amphibole will vary as pressure changes





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