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hornblende    音标拼音: [h'ɔrnbl,ɛnd]
n. 角闪石

角闪石

hornblende
n 1: a green to black mineral of the amphibole group; consists
of silicates of calcium and sodium and magnesium and iron

Hornblende \Horn"blende`\, n. [G., fr. horn horn blende
blende.] (Min.)
The common black, or dark green or brown, variety of
amphibole. (See {Amphibole}.) It belongs to the aluminous
division of the species, and is also characterized by its
containing considerable iron. Also used as a general term to
include the whole species.
[1913 Webster]

{Hornblende schist} (Geol.), a hornblende rock of schistose
structure.
[1913 Webster]


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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  • Hornblende - Wikipedia
    Hornblende is most often confused with the pyroxene series and biotite mica, which are also dark minerals found in granite and charnockite Pyroxenes differ in their cleavage planes, which intersect at 87° and 93° [8] Hornblende is an inosilicate (chain silicate) mineral, built around double chains of silica tetrahedra
  • Hornblende Mineral | Uses and Properties - Geology. com
    Hornblende is a field and classroom name used for a group of dark-colored amphibole minerals found in many types of igneous and metamorphic rocks These minerals vary in chemical composition but are all double-chain inosilicates with very similar physical properties
  • Hornblende: Mineral information, data and localities.
    A commonly used informal name for dark green to black amphiboles, largely in the Hornblende Root Name Group including ferro-hornblende or magnesio-hornblende
  • Hornblende | Physical - Optical Properties, Occurrence, Uses
    Hornblende is a inosilicate amphibole minerals, which are two type hornblende minerals They are ferrohornblende and magnesiohornblende
  • Hornblende | Igneous Rock, Mafic Minerals, Amphibole Group - Britannica
    Hornblende is the general name used for calcic amphiboles identified only by physical or optical properties The amphiboles differ chemically from the pyroxenes in two major respects
  • Hornblende Mineral (Everything You Need to Know to ID them)
    Hornblende is the name used to describe Magnesio-hornblende and Ferro-hornblende However, the term is generally more inclusive for all calcium-aluminum amphiboles The name Hornblende is frequently used to describe any dark, opaque Amphibole mineral without any individual analysis
  • Hornblendite - Wikipedia
    Hornblendite Hornblendite from Poland Hornblendite is a plutonic rock consisting mainly of the amphibole hornblende Hornblende -rich ultramafic rocks are rare and when hornblende is the dominant mineral phase they are classified as hornblendites with qualifiers such as garnet hornblendite identifying a second abundant contained mineral
  • Ferro-hornblende: Mineral information, data and localities.
    Look for Ferro-hornblende images on DuckDuckGo Look for Ferro-hornblende in the Rock H Currier Digital Library External Links: Look for Ferro-hornblende on Webmineral Look for Ferro-hornblende on Wikipedia Look for Ferro-hornblende on Mineralien Atlas Raman and XRD data at RRUFF project References and PDF downloads at RRUFF project
  • Hornblende Mineral Explained: Properties and Uses
    Hornblende is the most common member of the amphibole mineral group and one of the most important rock-forming minerals in geology It is typically dark green to black and is commonly found in igneous and metamorphic rocks
  • Hornblende Archives - Cochise College Geology
    Hornblende is the most common member of the amphibole family of silicate minerals Besides silica, it has a little bit of everything else in its chemistry: ferrous and ferric iron, aluminum, calcium, manganese, magnesium, and alkalis





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