Matter
- Name
- Pigment Roussillon (PIG_0173_A), Red Ochre
- Family
- mineral
- Comments
- Red ochre (kaolinite-hematite(goethite)-quartz)
- Database
- Experimentalists
- Level
- from laboratory repository
- Origins
- natural terrestrial
- Provider
- Pigmenthothèque - EDYTEM
- Provider reference code
- Roussillon – PIG_0173_A (2016-022)
- Local reference code
- PIG_0173_A_Roussillon
- Body name
- Earth
- Terrain type
- mineral surface
- Place
- Ochre mine, Roussillon (Vaucluse) , Provence-Alpes-Côte d’Azur , France
Coordinates
- System
- WGS84
- Position type
- point
- Geolocation
-
Point Latitude Longitude Altitude #1 43.89833° 5.29685° 340.0 m
- Preparation
- raw
- Storage condition
- room temperature and conditions
- Phase type
- solid
- Component type (group)
- sedimentary rock (iron-sediment or ironstone)
- Comments
- ferricrust fragment from the weathering profile of albian (C1b) glauconitic sandstones and sands
- Shape
- irregular shaped red or yellow-brown blocks with small red zones
- Texture
- compact fine grained
- Type of porosity
- open pores
- Texture
- compact microporous
- Grain sizes
-
Grains Size min Size max Size median Size width Size mass fraction Grain shape #1 200.0 ${\mu}m$ 400.0 ${\mu}m$ equant - Size distribution
- 2 different distributions for quartz (~200 µm) and ferruginous clay (micron-sized).
- Comments
- micro to meso-porous - types of shape: equant/spherical
- Oxides
-
Formula $SiO_{2}$ $Al_{2}O_{3}$ $Fe_{2}O_{3}$ $MnO$ $MgO$ $CaO$ $Na_{2}O$ $K_{2}O$ $TiO_{2}$ $P_{2}O_{5}$ Mass fraction (%) 31.48 8.09 52.88 0.01125 0.02 0.0225 0.015 0.06 0.23 0.56 - Oxides comments
- fire loss: 5.92%
- Number
- 2
- Mode of mixing
- homogeneous mixing
- Materials