Plagioclase (Labradorite/spectrolite) (6.8 x 4.3 x 10.5 cm)


Beautifully iridescent fragment of a subhedral crystal, from the classical mineral location of Ylämaa.



Formula: (Ca,Na)[Al(Al,Si)Si2O8]

Series: Albite-Anortite series

System: Triclinic

Locality: Ylämaa, South-Karelia, Finland

Habit: A piece of a subhedral crystal

Color: Iridescent from yellowish green to bluish green

Luster: Vitreous luster

Weight: 352 g

Dimensions: 6.8 x 4.3 x 10.5 cm

Additional information

Weight 500 g
Dimensions 160 × 140 × 115 mm