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sard    
n. 红玉髓

红玉髓

sard
n 1: a deep orange-red variety of chalcedony [synonym: {sard},
{sardine}, {sardius}]

Sard \Sard\, n. [L. sarda, Gr. ?, or ? (sc. ?), i.e., Sardian
stone, fr. ? Sardian, ? Sardes, the capital of Lydia: cf. F.
sarde. Cf. {Sardius}.] (Min.)
A variety of carnelian, of a rich reddish yellow or brownish
red color. See the Note under Chalcedony.
[1913 Webster]


Chalcedony \Chal*ced"o*ny\ (k[a^]l*s[e^]d"[-o]*n[y^] or
k[a^]l"s[-e]*d[-o]*n[y^]; 277), n.; pl. {Chalcedonies}
(-n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw`n Chalcedon, a
town in Asia Minor, opposite to Byzantium: cf. calc['e]doine,
OE. calcidoine, casidoyne. Cf. {Cassidony}.] (Min.)
A cryptocrystalline, translucent variety of quartz, having
usually a whitish color, and a luster nearly like wax.
[Written also {calcedony}.]
[1913 Webster]

Note: When chalcedony is variegated with with spots or
figures, or arranged in differently colored layers, it
is called {agate}; and if by reason of the thickness,
color, and arrangement of the layers it is suitable for
being carved into cameos, it is called {onyx}.
{Chrysoprase} is green chalcedony; {carnelian}, a flesh
red, and {sard}, a brownish red variety.
[1913 Webster]


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  • Connective Tissue Diseases - Systemic Autoimmune Rheumatic Diseases
    Connective tissue or systemic autoimmune rheumatic diseases (SARDs) are characterized by autoantibodies that can affect tissues and organs throughout the body
  • Sard Gem: Info, Meanings, Relation to Sardonyx Carnelian
    Sard is a reddish-brown chalcedony gem popular since ancient times Related to onyx and carnelian, it has religious and spiritual importance Learn sard’s meanings, properties, history, and value!
  • Systemic autoimmune rheumatic diseases-associated interstitial lung . . .
    Connective tissue disease (CTD)-associated interstitial lung disease (ILD) is a complex condition arising in various autoimmune disorders, such as systemic sclerosis, Sjögren disease, systemic lupus erythematosus and idiopathic inflammatory myopathies The broader term of systemic autoimmune rheumatic diseases (SARDs) and SARD-ILD are increasingly adopted in various guidelines to allow
  • What is SARD (systemic autoimmune rheumatic disease)?
    SARD refers to systemic autoimmune rheumatic diseases—a category of autoimmune conditions characterized by the potential to affect multiple organ systems and
  • Systemic Autoimmune Rheumatic Diseases (SARDS) Diagnostics
    Systemic autoimmune rheumatic diseases (SARDs) are characterized by an autoimmune self-destruction response involving various organs and tissues (joints and muscles) Most of the symptoms and signs can be heterogeneous and non-specific This topic will explore the various types of systemic autoimmune rheumatic diseases and their key diagnostic methods
  • Software Assurance Reference Dataset (SARD) | NIST
    The Software Assurance Reference Dataset (SARD) is a growing collection of almost two hundred thousand test programs with documented weaknesses Test cases vary from small synthetic programs to large applications
  • SARDs: What is it and who has it! - Arthritis Research Canada
    You also collaborate on a project aimed at supporting people with lupus (a type of SARD) Who does lupus affect primarily? Lupus primarily affects young women, often of ethnic minorities such as Indigenous or African Canadian
  • SARD Definition Meaning - Merriam-Webster
    The meaning of SARD is a reddish-brown variety of chalcedony sometimes classified as a variety of carnelian
  • Carnelian - Wikipedia
    Carnelian (also spelled cornelian) [3] is a brownish-red mineral commonly used as a semiprecious stone Similar to carnelian is sard, which is generally harder and darker; the difference is not rigidly defined, and the two names are often used interchangeably Both carnelian and sard are varieties of the silica mineral chalcedony colored by impurities of iron oxide The color can vary greatly
  • Sard : Properties, Formation, Uses, Sources - Geology Science
    Sard is a semi-precious gemstone known for its deep, rich red color, which ranges from reddish-brown to nearly black It's a variety of chalcedony, a type of microcrystalline quartz This means it's composed of very fine intergrowths of the silica minerals quartz and moganite Sard is similar to carnelian, another type of chalcedony, but is generally darker and more opaque





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