Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Spencite

A synonym of Tritomite-(Y)
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Hugh Swaine Spence
Formula:
Y5(SiO4,BO4)3(O,OH,F)
Name:
Named in 1961 by Clifford Frondel in honor of Hugh Swaine Spence [birth name Hugh de Schmid {changed 1916} Devon, England, UK April, 1885 - March 13, 1978 Ottawa, Quebec, Canada] geologist and mineralogist of the Canadian Department of Energy, Mines, and Resources.
Synonym:
A synonym of Tritomite-(Y)
This page provides mineralogical data about Spencite.


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Unique IdentifiersHide

Mindat ID:
9135 (as Spencite)
4027 (as Tritomite-(Y))
Long-form identifier:
mindat:1:1:9135:6 (as Spencite)
mindat:1:1:4027:9 (as Tritomite-(Y))

Internet Links for SpenciteHide

References for SpenciteHide

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