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Fuchsite

UNB-2020-0032Minerals » Silicates » Phyllosilicates

Description

Original Description: *Incomplete. Fuchsite (K(Al,Cr)3Si3O10(OH)2) is a light green mineral with a vitreous or pearly lustre. Hardness is 2 1/2 and streak is white. Cleavage is perfect in one direction. Fuchsite usually occurs as curved aggregates. https://en.wikipedia.org/wiki/Fuchsite https://www.mindat.org/min-1617.html

Specifications

Object nameFuchsite
IDUNB-2020-0032
Legal statusPermanent collection
CategoryMineral
Classification
Mineral group:
Silicates
Sub-group:
Phyllosilicates
Composition
  • (Al,Fe2+,Fe3+Li,Mg,Mn,Ni)5−6(Al,Fe3+,Si)4(O,OH)18
  • K(Fe,Mg)3AlSi3O10(OH)2
  • (Mg,Fe2+)5Al(Si3Al)O10(OH)8
  • Various (e.g., Muscovite - KAl2(AlSi3O10)(OH)2)
  • Al2Si2O5(OH)4
  • K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
  • Na2AlSi3O8·H2O
  • LiAlSi4O10
  • NaAl2(AlSi3O10)(OH)2
  • D3[Si2O5](OH)4
  • Mg3(Si2O5)(OH)4
  • KAl2(AlSi3O10)(F,OH)2
OriginChibiuy, Kola, Russia
Pieces1
PartialNo
Measurements
  • 4.5cm x 3cm x 1.5cm

Map of Origin