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0 item @ $0.00  

Hiortdahlite

#RS58407

Hiortdahlite

#RS58407
Availability
Sold
Size
5 x 4 x 1 cm - Miniature 
Formula
Na4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5 (RRUFF)
Locality
Stokkøya, Langesundsfjorden, Larvik, Vestfold, Norway
Tagged
pegmatite mineral

Yellow crystal grains to 3mm throughout matrix in nepheline syenite.

Hiortdahlite

Formula
Na4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5 
Crystal System
Triclinic 
Crystal Habit
Tabular 
Cleavage
Distinct, Distinct, None 
Luster
Vitreous - Greasy 
Color
brown, colorless, yellow brown, honey yellow, light yellow 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle 
Hardness
5.5 

Data courtesy of Webmineral.

Collection
RC Stamberg Collection

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