Agrellite

Agrellite

Infobox mineral
name = Agrellite
category =
boxwidth =
boxbgcolor =


caption =
formula = |NaCa2 [FSi4O10
molweight =
color = White, grayish-white, greenish-white
habit = Lath - shaped like a small, thin plaster lath, rectangular in shape
system =
twinning =
cleavage = perfect
fracture =
mohs = 5.5
luster = pearly
refractive =
opticalprop = biazial
birefringence =
pleochroism =
streak = white
gravity = 2.88
melt =
fusibility =
diagnostic =
solubility =
diaphaneity = transluscent
other =

Agrellite (NaCa2 [F|Si4O10] ) is a mineral found in Quebec, Canada.

It is named in honour of Stuart Olof Agrell. [ first reported in the Canadian Mineralogist (1976), vol. 14, pp. 120-126 ]

External links

* [http://www.mindat.org/min-57.html Fact sheet] from mindat.org
* [http://www.webmineral.com/data/Agrellite.shtml Fact sheet] from [http://webmineral.com webmineral.com]

References


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