henwooditen.
/ˈhɛnwʊdʌɪt/, U.S. /ˈhɛnwʊˌdaɪt/ Mineralogy.
A blue mineral consisting of a hydrous phosphate of aluminium and copper, later identified as a variety of turquoise.
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the world > the earth > minerals > types of mineral > phosphates > [noun] > hydrous aluminium or copper
turquoise1398
Turkey1487
Turkish stone1577
Turkey stone1607
turquoise stone1796
agaphite1819
chalchuite1843
henwoodite1876
1876 Royal Cornwall Gaz. 8 July 6/1 Mr Collins read a paper on a new mineral from West Phœnix mine, which he proposed to call Henwoodite, after the late Mr. W. Jory Henwood.
1957 Trans. Royal Geol. Soc. Cornwall 18 133 This liberated aluminium has contributed to the development of such secondary minerals as..rashleighite and henwoodite (hydrated Cu, Al phosphates).
2015 C. M. Timperley & J. Tattersall in C. M. Timperley Organophosphorus (V) Chem. Best Synthetic Methods i. 2 Phosphate minerals are also found in mines in Cornwall..and include..turquoise (var. Henwoodite) CuAl6(PO4)4(OH)8·4H2O.
This entry has been updated (OED Third Edition, December 2019; most recently modified version published online March 2022).
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n.1876