Hejtmanite

hetjmanite

arfvedsonite

bastnasite

chevkinite

Images

Formula: Ba2Mn2+4Ti2(Si2O7)2O2(OH)2F2
Sorosilicate (Si2O7 groups), bafertisite group, barium, manganese and titanium bearing mineral
Specific gravity: 4.016
Hardness: 4½
Streak: Yellow, brown
Colour: Brownish to golden yellow
Common impurities: Fe,Nb,K,(Al,Mg,Na,Cl,Sr,Zr)
Environments:

Pegmatites

Localities

At the type locality, Mbolwe Hill, Mkushi River area, Mkushi, Mkushi District, Central Province, Zambia, hejtmanite occurs in arfvedsonite veins in pegmatite cutting alkalic granite and syenite. Associated minerals include manganoan arfvedsonite, albite, bastnäsite, chevkinite, manganoan ilmenite, apatite and aegirine (HOM, AM 77.1306).

Back to Minerals