General Information:
Chemical Formula:(Mg,Ti++++,[ ])<1(Al,Mg)2Al4Si3O18-y(OH)yB y=2-3
Environment:In pyrope megablasts which occur in coesite bearing quartz-phengite-kyanite schists.
IMA Status:Approved IMA
Locality:Dor-Maira massif, western Alps, Italy.
Name Origin:For its containing magnesium and the relationship to dumortierite.
Physical Properties: Cleavage:[001] Poor
Color:pinkish red or red.
Density:3.22
Diaphaniety:Transparent
Habits:Disseminated - Occurs in small, distinct particles dispersed in matrix., ,
Hardness:7.5 - Garnet
Luminescence:Non-fluorescent.
Luster:Vitreous (Glassy)
Streak:white
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