Database

• GhoSST

Experimentalists

• Adomas Valantinas

Level

from laboratory repository

Origins

natural terrestrial

Provider

mine d'En Bournegade

Body name

Earth

Place

mine d'En Bournegade , Tarn, France , France

Coordinates

System

WGS84

Preparation

crushed and sieved

Phase type

solid

Component type (group)

mineral (non-silicate mineral)

Type of porosity

particulate

Grain sizes

Grains	Size min	Size max	Size median	Size width	Size mass fraction	Grain shape
#1	5.0 ${\mu}m$	11.0 ${\mu}m$				None

Size method

crushed and sieved

Number

1

Mode of mixing

single material

Materials

	Name	Arrangement	Mass (g)	Mass fraction	Abundance comments
	iron oxide goethite			1.0

Title

Grinding and sieving of goethite

Produced matter

Matter

goethite (this matter)

Processing steps

Step	Date	Type	Process	Changes
#1		mechanical	grinding
#2		mechanical	sieving	dry-sieving and selection of the size range (<11 μm)