General formula: 
	Ca2(Fe,Al)Al2(SiO4)(Si2O7)O(OH)
N° standard / mount: 005 / Tubes
	Standard elements: Al Ca Fe Si 
	Mineral class: Silicates
	
	
	
	Comments: 
	
	
	Seems homogeneous, no visible inclusion
Ca2(Fe,Al)Al2(SiO4)(Si2O7)O(OH)
Seems homogeneous, no visible inclusion