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Paragonite-2M1

A structural variant of Paragonite
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Formula:
NaAl2(AlSi3O10)(OH)2
Crystal System:
Monoclinic
A polytype of Paragonite


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Unique IdentifiersHide

Mindat ID:
5996
Long-form identifier:
mindat:1:1:5996:7

Chemistry of Paragonite-2M1Hide

Mindat Formula:
NaAl2(AlSi3O10)(OH)2
Element Weights:
Element% weight
O50.234 %
Si22.045 %
Al21.179 %
Na6.015 %
H0.527 %

Calculated from ideal end-member formula.
Elements listed:
Al, H, Na, O, Si - search for minerals with similar chemistry

Crystallography of Paragonite-2M1Hide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 5.128(2) Å, b = 8.898(3) Å, c = 19.287(9) Å
β = 94.35(3)°
Ratio:
a:b:c = 0.576 : 1 : 2.168
Unit Cell V:
877.51 ų (Calculated from Unit Cell)
Comment:
Cell from Lin & Bailey (1984).

Other Language Names for Paragonite-2M1Hide

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Paragonite-2M1Hide

References for Paragonite-2M1Hide

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