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单词 jalpaite
释义

jalpaiten.

/ˈdʒalpəʌɪt/
Etymology: < German jalpait (A. Breithaupt 1858, in Berg- u. hüttenmännische Zeitung 17 Mar. 85/2), < Jalpa , the name of a locality in Mexico (probably the town of that name in southern Zacatecas): see -ite suffix1.
Mineralogy.
A sulphide of silver and copper, Ag3CuS2, of a light metallic-grey colour when freshly fractured.
ΘΚΠ
the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > chalcocite group > silver-copper sulphide
stromeyerite1835
stromeyerine1843
jalpaite1868
1868 J. D. Dana Syst. Mineral. (ed. 5) ii. 39 Jalpaite is a cupriferous silver-glance from Jalpa, Mexico.
1925 Mineral. Abstr. II. 519 Jalpaite.., as narrow veins in hornstone, gave analyses agreeing closely with the formula 3Ag2S.Cu2S.
1968 Amer. Mineralogist 53 1539 Jalpaite from Silver Plume and Boulder County, Colorado probably formed at some temperature below 117°C.
This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022).
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n.1868
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更新时间:2024/9/20 21:26:52