Mineral - Baiamareite
Baiamareite
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
none
Formula
Ag₄Pb₁₂Fe₄Sb₂₀S₄₈
Unit Cell
a=8.72 b=12.74 c=19.35 β=90° Z=4
Physical Properties
Hardness
3.5
Streak
black
Density
Heavy (3,5-6)
Cleavage
Fracture
Tenacity
Brittle
Optical Properties
Color
blackgray
Birefringence
Luster
Metallic
Transparency
opaque
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
monoclinic-prismatic - 2/m
Space Group
P2 1 /c (14)
Habit
prismatic
Formation
In hydrothermal ore deposits
Paragenesis
Twinning
Rarity
Rare
Synonyms
Baiamareite
Composition
Elements
Mass
Ag
[5.90]
Pb
[34.80]
Mn
[0.20]
Fe
[2.80]
Sb
[34.40]
Se
[0.30]
S
[21.10]
Romania
Name and first discovery: Named after the type locality near the town of Baia Mare
Chemism:
Synonyms:
Varieties:
Abbreviation:
Famous sites
(TL) Type locality (analysis) Chemical element distribution, see above
Romania
Săsar Mine, Baia Mare, Maramureș, Romania