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单词 picrolite
释义

> as lemmas

picrolite
picrolite n.
Brit. /ˈpɪkrə(ʊ)lʌɪt/
,
U.S. /ˈpɪkrəˌlaɪt/
[after German Pikrolit (J. F. L. Hausmann 1808, in Efemeriden der Berg- u. Hüttenkunde 4 401)] Mineralogy a variety of serpentine occurring as fibrous or columnar crystals varying in colour from dark green to greyish, probably identical with antigorite.
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the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > serpentine > fibrous
asbestos1608
earth flax1649
thrum-stone1681
picrolite1816
chrysotile1850
byssus1864
1816 R. Jameson Min. (ed. 2) I. 536 Picrolite.
1854 J. D. Dana Syst. Mineral. (ed. 4) 490 Pennsylvania... Lancaster Co...At Wood's Chrome Mine,..marmolite, picrolite, hydromagensite, [etc.].
1960 F. H. Pough Field Guide Rocks & Minerals (ed. 3) ii. 253 Serpentine... Varieties: Fibrous and silky: chrysotile. Columnar: picrolite... Micaceous: marmolite.
1991 Antiquity 65 862/1 Non-lithic cultural items include over 125 Dentalium, Columbella and Conus shell beads, seven picrolite beads, pendants or pendant ‘blanks’, and an incised and perforated stone disc.
extracted from picro-comb. form
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as lemmas
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