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Analcime

UNB-2016-0509Minerals » Tectosilicates » Zeolite

Description

Three samples of compact white/yellowish Analcime. Analcime (NaAlSi2O6 x H2O) is a white, colourless, grey with tints of greenish, yellowish or reddish mineral. Lustre is vitreous and streak is colourless. Hardness is 5 to 5 1/2. Analcime usually occurs as simple trapezohedrons but can also be granular or compact.

Specifications

Object nameAnalcime
IDUNB-2016-0509
Legal statusPermanent collection
CategoryMineral
Classification
Mineral group:
Tectosilicates
Sub-group:
Zeolite
Composition
  • (MAlO2)(SiO 2)x(H2O)y
OriginUnknown
Pieces3
PartialNo
Measurements
  • 2cm x 5.5cm x 4.5cm
  • 1cm x 3.7cm x 2.2cm
  • 1.5cm x 4.5cm x 3cm

Publications

  • Chesterman, C.W. 1979. Audubon Society, Field Guide to North American Rocks and Minerals. Knopf.