Potassic-eckermannite
A material that is NOT an approved mineral species
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Formula:
{K}{Na2}{Mg4Al}(Si8O22)(OH)2
The eckermannite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Al as the dominant element
Potassic-eckermannite is defined with
A position: K dominant
C2+ position: Mg dominant
C3+ position: Al dominant
W position: (OH) dominant
Potassic-eckermannite is defined with
A position: K dominant
C2+ position: Mg dominant
C3+ position: Al dominant
W position: (OH) dominant
Unique Identifiers
Mindat ID:
40630
Long-form identifier:
mindat:1:1:40630:7
GUID
(UUID V4):
(UUID V4):
be3eabc4-cd04-4cb8-a7de-097583c41357
Classification of Potassic-eckermannite
9.D0.
9 : SILICATES (Germanates)
D : Inosilicates
0 :
9 : SILICATES (Germanates)
D : Inosilicates
0 :
Chemistry of Potassic-eckermannite
Mindat Formula:
{K}{Na2}{Mg4Al}(Si8O22)(OH)2
The eckermannite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Al as the dominant element
Potassic-eckermannite is defined with
A position: K dominant
C2+ position: Mg dominant
C3+ position: Al dominant
W position: (OH) dominant
The eckermannite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Al as the dominant element
Potassic-eckermannite is defined with
A position: K dominant
C2+ position: Mg dominant
C3+ position: Al dominant
W position: (OH) dominant
Other Information
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 Potassic-eckermannite
mindat.org URL:
https://www.mindat.org/min-40630.html
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References for Potassic-eckermannite
Reference List:
