General formula: 
	BaSO4
N° standard / mount: 021 / Tubes
	Standard elements: Ba S 
	Mineral class: Sulfates
	
	
	
	Comments: 
	
	
	Seems homogeneous, no visible inclusions, some grains with an important porosity
BaSO4
Seems homogeneous, no visible inclusions, some grains with an important porosity