Rashleighite, also called henwoodite,
is a ferrian variety of
turquoise
Turquoise is an opaque, blue-to-green mineral that is a hydrated phosphate of copper and aluminium, with the chemical formula . It is rare and valuable in finer grades and has been prized as a gemstone and ornamental stone for thousands of yea ...
. The names are in honour of the
Cornish geologists
Philip Rashleigh and
William Jory Henwood
William Jory Henwood FRS (16 January 18055 August 1875), was a Cornish mining geologist. He was a prolific writer on geological topics, for which he was awarded the Murchison Medal of the Geological Society of London.
Life and career
Henwood ...
.
References
*Collins (1876) Mineralogical Magazine: 1: 11.
*Fairbanks (1942) The Mineralogist, Portland, Oregon: 10: 44 (as ferri-turquois).
*Foster (1876) Mineralogical Magazine: 1: 8.
*Ross (1876) Chem. News, October 13th.
*Ross (1876) Mineralogical Magazine: 1: 59.
*
Russell
Russell may refer to:
People
* Russell (given name)
* Russell (surname)
* Lady Russell (disambiguation)
* Lord Russell (disambiguation)
Places Australia
*Russell, Australian Capital Territory
*Russell Island, Queensland (disambiguation)
**Ru ...
(1948) Mineralogical Magazine: 28: 353.
*
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 947, 951.
Phosphate minerals
{{phosphate-mineral-stub