Matter
- Name
- Anorthosite
- Family
- mineral
- Database
- Experimentalists
- Origins
- natural terrestrial
- Provider
- Prof. Ottavia Zeda, Department of Earth Sciences, University of Parma
- Body name
- Earth
- Place
- Stillwater Complex, Montana, USA
- Preparation
- raw
- Phase type
- solid
- Component type (group)
- igneous rock (plutonic rock (coarse-grained crystalline rock))
- Comments
- collected during a field trip
- Shape
- compact
- Texture
- compact
- Type of porosity
- without pores
- Density
- 2.748 $\pm$ 0.002 $g.cm^{-3}$
- Grain density
- 2.748 $\pm$ 0.002 $g.cm^{-3}$
- Comments
- holocrystalline, cumulitic
- Oxides
-
Formula $SiO_{2}$ $TiO_{2}$ $Al_{2}O_{3}$ $Fe_{2}O_{3}$ $MnO$ $MgO$ $CaO$ $Na_{2}O$ $K_{2}O$ $P_{2}O_{5}$ Mass fraction (%) 48.7 0.09 29.44 1.79 0.03 2.05 15.92 2.25 0.08 0.01 - Oxides comments
- Fe2O3 is total iron amount