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garnet    音标拼音: [g'ɑrnət]
n. 石榴石,深红色

石榴石,深红色

garnet
石榴石

garnet
n 1: any of a group of hard glassy minerals (silicates of
various metals) used as gemstones and as an abrasive

Garnet \Gar"net\, n. [OE. gernet, grenat, OF. grenet,grenat, F.
grenat, LL. granatus, fr. L. granatum pomegranate, granatus
having many grains or seeds, fr. granum grain, seed. So
called from its resemblance in color and shape to the grains
or seeds of the pomegranate. See {Grain}, and cf. {Grenade},
{Pomegranate}.] (Min.)
A mineral having many varieties differing in color and in
their constituents, but with the same crystallization
(isometric), and conforming to the same general chemical
formula. The commonest color is red, the luster is vitreous,
and the hardness greater than that of quartz. The
dodecahedron and trapezohedron are the common forms.
[1913 Webster]

Note: There are also white, green, yellow, brown, and black
varieties. The garnet is a silicate, the bases being
aluminia lime (grossularite, essonite, or cinnamon
stone), or aluminia magnesia (pyrope), or aluminia iron
(almandine), or aluminia manganese (spessartite), or
iron lime (common garnet, melanite, allochroite), or
chromium lime (ouvarovite, color emerald green). The
transparent red varieties are used as gems. The garnet
was, in part, the carbuncle of the ancients. Garnet is
a very common mineral in gneiss and mica slate.
[1913 Webster]

{Garnet berry} (Bot.), the red currant; -- so called from its
transparent red color.

{Garnet brown} (Chem.), an artificial dyestuff, produced as
an explosive brown crystalline substance with a green or
golden luster. It consists of the potassium salt of a
complex cyanogen derivative of picric acid.
[1913 Webster]


Garnet \Gar"net\, n. [Etymol. unknown.] (Naut.)
A tackle for hoisting cargo in or out.
[1913 Webster]

{Clew garnet}. See under {Clew}.
[1913 Webster]

1. A graphical object editor and {Macintosh} environment.

2. A user interface development environment for {Common Lisp}
and {X11} from The Garnet project team. It helps you create
graphical, interactive user interfaces.

Version 2.2 includes the following: a custom {object-oriented
programming} system which uses a {prototype-instance model}.
automatic {constraint} maintenance allowing properties of
objects to depend on properties of other objects and be
automatically re-evaluated when the other objects change. The
constraints can be arbitrary Lisp expressions. Built-in,
high-level input event handling. Support for {gesture
recognition}. {Widgets} for multi-font, multi-line,
mouse-driven text editing. Optional automatic layout of
application data into lists, tables, trees or graphs.
Automatic generation of {PostScript} for printing. Support
for large-scale applications and data {visualisation}.

Also supplied are: two complete widget sets, one with a
{Motif} {look and feel} implemented in {Lisp} and one with a
custom {look and feel}. Interactive design tools for creating
parts of the interface without writing code: Gilt interface
builder for creating {dialog box}es. Lapidary interactive
tool for creating new {widgets} and for drawing
application-specific objects. C32 {spreadsheet} system for
specifying complex {constraints}.

Not yet available: Jade automatic dialog box creation system.
Marquise interactive tool for specifying behaviours.

{(ftp://a.gp.cs.cmu.edu/usr/garnet/garnet)}.

(1999-07-02)


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  • Garnet Gemstone | Garnet Stone – GIA
    Red garnets have a long history, but modern gem buyers can pick from a rich palette of garnet colors: greens, oranges, pinkish oranges, deeply saturated purplish reds, and even some blues
  • Garnet Description - GIA
    There are more than twenty garnet categories, called species, but only five are commercially important as gems Those five are pyrope, almandine (also called almandite), spessartine, grossular (grossularite), and andradite
  • Garnet History and Lore - GIA
    Thousands of years ago, red garnet necklaces adorned the necks of Egypt’s pharaohs, and were entombed with their mummified corpses as prized possessions for the afterlife In ancient Rome, signet rings with carved garnets were used to stamp the wax that secured important documents
  • Garnet - Gemological Institute of America
    Garnets are a group of mineral s that are very much alike These gemstones come in almost every color Red is the most common garnet color, and is found in metamorphic rocks around the world Other colors like green, orange, and purple-red are less common and more valuable
  • January Birthstone | Garnet Birthstone Meaning | GIA
    Garnet, January’s birthstone, is one of the most diverse gemstones, as it comes in an extraordinary range of colors The garnet birthstone is mined around the world and symbolizes happiness, wealth, and health
  • Garnet Buying Guide - GIA 4Cs
    GIA’s Garnet Buying Guide offers key pointers on what quality factors to look for, and helps you differentiate between some of the garnet varieties, for example two of the green garnets: tsavorite and demantoid
  • Garnet Care and Cleaning Guide - GIA
    Garnets have fair to good toughness, making them durable enough for all jewelry styles as long as they are treated with the proper care Garnets should not be subjected to any hard blows or rough wear Depending on type, garnet hardness ranges from 6 5 to 7 5 on the Mohs scale
  • GIAs Gubelin Gem Project: Garnet
    There are six common garnet minerals – almandine, andradite, grossular, pyrope, spessartine and uvarovite – and several rare species Gem varieties include green demantoid and tsavorite, orangy red hessonite and pink red rhodolite
  • Garnet Gemstone | Garnet Stone – GIA
    The intense color, lack of inclusions and skillful cutting create a bright stone This specimen is hessonite garnet also called the cinnamon stone for its color An amazing intergrowth of hessonite garnet crystals creates an array of crystal faces Hessonite garnet specimens are attractive and collectible
  • Garnet Quality Factors - GIA
    The first thing a buyer of garnets needs to be aware of is the wide variety of garnet types At first, the sheer number of garnet varieties can seem bewildering It helps to think of the different types of garnets in terms of color Color Pyrope and almandine range in color from purple to orangy red





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