Home > Mineral Descriptions > Löllingite - (1 Photo)



Löllingite
FeAs2

     Löllingite is very rare at MSH. The crystals are silvery-white when fresh, tarnishing to pale bronze and steel-gray with metallic luster.

PHYSICAL CHARACTERISTICS:

Color varies from silver white to gray. It tarnishes to pale bronze and
   steel gray.
Luster is metallic.
Diaphaneity is opaque.
Crystal System is orthorhombic; Pnnm.
Crystal Habits include prismatic crystals, crude elongated plates and
   massive.
Cleavage {010} and {101} are sometimes distinct.
Fracture is uneven.
Hardness is 5 - 5.5.
Specific Gravity is approximately 7.3 g/cm3.
Streak is greyish-black.
Associated Minerals include analcime, biotite, sodalite and vesuvianite.
Distinguishing Features: prismatic habit and silvery colour.
Origin: Named in 1845 for its discovery locality of Lölling, Carinthia,
   Austria.

CLASSIFICATION:

Dana System
# 2.12.2.9

Strunz Classification
# II/d.23-10

REFERENCES:
MinRec 21:319 (1990), Dana 8:122-123 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
¤¤

MX
--

SS
--

MC
--

HF
¤¤

BR
--

SX
¤¤

FR
--

Legend