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Celadonite

UNB-2020-0031Minerals » Silicates » Phyllosilicates

Description

Original Description: *Incomplete. Celadonite (K(Mg,Fe3)(Si4,O10)(OH)2) is blue-green, olive-green or apple-green mineral. Lustre is waxy, dull or earthy and cleavage is perfect in one direction. Celadonite usually occurs as massive aggregates of prismatic crystals. https://www.mindat.org/min-926.html https://en.wikipedia.org/wiki/Celadonite

Specifications

Object nameCeladonite
IDUNB-2020-0031
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
OriginUnknown
Pieces1
PartialNo
Measurements
  • 7cm x 5cm x 3cm