Dictionary

feldspar

noun feld·spar \ˈfel(d)-ˌspär\

: a very common type of mineral

Full Definition of FELDSPAR

:  any of a group of crystalline minerals that consist of aluminum silicates with either potassium, sodium, calcium, or barium and that are an essential constituent of nearly all crystalline rocks
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Origin of FELDSPAR

modification of obsolete German Feldspath (now Feldspat), from German Feld field + obsolete German Spath (now Spat) spar
First Known Use: 1772

Other Mineralogy Terms

agate, host, inclusion, matrix, streak

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5 ENTRIES FOUND:
Next Word in the Dictionary: feldspathicPrevious Word in the Dictionary: feldsherAll Words Near: feldspar
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