Tamarugite Explained

Tamarugite
Category:	Sulfate mineral
Formula:	NaAl(SO4)2 · 6H2O
Imasymbol:	Tmr^[1]
Strunz:	7.CC.10
Dana:	29.5.3.1
System:	Monoclinic
Class:	Prismatic (2/m)
Symmetry:	P21/a (no. 14)
Color:	Colorless
Habit:	Prismatic, tabular
Twinning:	Polysynthetic
Cleavage:	perfect
Mohs:	3
Luster:	Vitreous
Opticalprop:	Biaxial (+), colorless (transmitted light)
2V:	60° (measured), 48° (calculated)
Gravity:	2.07
Density:	2.07 (measured)
Solubility:	Soluble in water
Diaphaneity:	Transparent
Other:	Slightly astringent and sweet taste
References:	^[2]

Tamarugite (NaAl(SO₄)₂·6H₂O) is a colorless monoclinic sulfate mineral.^{[3] [4]}

Deposits containing tamarugite are geographically dispersed with occurrences of the mineral on all seven continents (Antarctica, Oceania, North America, South America, Europe, Asia, Africa).^[4] The mineral's name comes from the Tamarugal Pampa locality in Chile.^{[3] [4]} It is also known as lapparentite.

See also

• List of minerals

References

• Handbook of Mineralogy

Bibliography

• Palache, P.; Berman H.; Frondel, C. (1960). "Dana's System of Mineralogy, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. (Seventh Edition)" John Wiley and Sons, Inc., New York, pp. 466–468.

Notes and References

1. Warr. L.N.. 2021. IMA–CNMNC approved mineral symbols. Mineralogical Magazine. 85. 3. 291–320. 10.1180/mgm.2021.43. 2021MinM...85..291W. 235729616. free.
2. Mereiter . Kurt . Redetermination of tamarugite, NaAl(SO 4) 2 ·6H 2 O . Acta Crystallographica Section E . 15 October 2013 . 69 . 10 . i63–i64 . 10.1107/S1600536813025154. 24098156 . 3790334 . free .
3. http://webmineral.com/data/Tamarugite.shtml Webmineral.com - Tamarugite
4. http://www.mindat.org/min-3878.html Mindat.org - Tamarugite