Natrolite with Fluorite

Short description: An openwork intergrowth of corroded prismatic natrolite crystals. On the surface of the natrolite, loose accumulations of pale lilac fluorite are visible here and there.
Base mineral: Natrolite
Detailed Composition: Natrolite, Fluorite.
Locality: Vein No. 60, Marchenko Peak, Kukisvumchorr Mountain, Khibiny massif, Murmansk region, Kola Peninsula.
Dimensions: 101 mm x 73 mm x 63 mm (3,98 inch x 2,87 inch x 2,48 inch)
Weight: 204 g (7,2 oz)