Matter
- Name
- nepheline
- Family
- mineral
- Database
- Experimentalists
- 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
- Title
- Grinding and sieving of the nepheline raw pieces
- 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