Matter
Name
nepheline
Family
mineral
Level
from international repository
Origins
natural terrestrial
Provider
MNHN (Museum National d'Histoire Naturelle, France)
Body name
Earth
Terrain type
mixed surface types
Place
Brevig, Norway , Norway

Coordinates

System
WGS84
Preparation
crushed and sieved
Phase type
solid
Component type (group)
mineral (silicate mineral)
Type of porosity
without pores
Grain sizes
Grains Size min Size max Size median Size width Size mass fraction Grain shape
#1 50.0 ${\mu}m$ 100.0 ${\mu}m$ 1.0 None
Size method
dry-sieving in different grain size ranges: 0-25 μm, 25-50 μm, 50-100 μm, 100-450 μm
Number
1
Mode of mixing
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
nepheline 1.0 1.0
Title
Grinding and sieving of the nepheline raw pieces

Produced matter

Matter
nepheline (this matter)
Processing steps
Step Date Type Process Changes
#1 2022-01-01 mechanical crushing Three small pieces of about 1 g of nepheline were ground using a cryogenic grinder Retsch Cryomill at LGPM (Laboratoire Génie des Procédés et Matériaux, France)
#1 2022-01-01 mechanical sieving dry-sieving and selection of the size range of the grain 50 - 100 μm