Matter
Name
Pigment Huy (PIG_0172_A_608), powder (grains inf. 50µm)
Family
mineral
Parent matter
Pigment Huy (PIG_0172_A), oolitic hematite
Level
from laboratory repository
Origins
natural terrestrial
Provider
Pigmenthothèque - EDYTEM
Provider reference code
Huy < 50 µm – PIG_0172_A_608 (2016-021)
Local reference code
Pig_0172_A608_Huy_inf50
Body name
Earth
Terrain type
mineral surface
Place
Huy, Liège province , Wallonia , Belgium

Coordinates

System
WGS84
Position type
point
Geolocation
Point Latitude Longitude Altitude
#1 50.522° 5.222°
Comments
road cut near the train station
Preparation
sieved fraction
Method
crushed and sieved with a mesh of 50 µm
Storage condition
room temperature and conditions
Phase type
solid
Component type (group)
sedimentary rock (iron-sediment or ironstone)
Comments
Shale and shists with oolitic hematite - Era: Paleozoic, Devonian, Famennian, Hodimont (Belgium) formation
Shape
very fine dark red-bordeaux powder
Texture
pulverulent
Type of porosity
particulate
Texture
compact
Grain sizes
Grains Size min Size max Size median Size width Size mass fraction Grain shape
#1 0.0 ${\mu}m$ 50.0 ${\mu}m$ 1.0 equant
Size method
sieving with mesh of 50 µm
Comments
density varies with the degree of settlement
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 (%) 7.32 3.02 41.16 0.24 0.65 24.42 0.03 0.64 0.11 0.26
Oxides comments
Contain Mg (0.65% in oxide) and small impurity of Mn, Na, K, Ti, P (1.28% in oxides), fire loss: 21.06%
Number
3
Mode of mixing
homogeneous mixing
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Ferruginous cement Ferruginous cement between ferruginous coated grains
Carbonaceous cements Carbonaceous cement between ferruginous coated grains
Ferruginous coated grains Ferruginous coated grains cemented by ferruginous and carbonaceous cements)