What does gilbertite mean?
Gilbertite means (mineralogy) A particular kind of muscovite..
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Pronunciation varies by accent · noun
(mineralogy) A particular kind of muscovite..
The mass of gilbertite in the specimens in my possession, is mixed with dark purple fluor spar, and with specks of another mineral, which has the aspect of apatite.
A yellowish or greenish micaceous mineral, observed originally at Stenna Gwynn and since found in several china-stone districts in Cornwall, as at St. Austell and Breage, has been distinguished by the name of Gilbertite—a name given by Dr. Thomas Thomson, in compliment to Davies Gilbert, the "Cornish philosopher," who was, at one time President of the Royal Society (b. 1767, d. 1839.)
[…] contemporaneous with gold are gilbertite, leptochlorite, tourmaline, iron sulphides, feldspar, (rare) carbonates, and quartz; post gold minerals are quartz, zinc and lead sulphides, and many others of geophases K and L.
Use gilbertite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Gilbertite means (mineralogy) A particular kind of muscovite..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
The mass of gilbertite in the specimens in my possession, is mixed with dark purple fluor spar, and with specks of another mineral, which has the aspect of apatite.
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