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Cannizzarite

#PD49845

Cannizzarite

#PD49845
Availability
Available
Price
$185.00
Size
5.5 x 2 x 2 cm - Sm Cabinet 
Formula
Pb8Bi10S23 (RRUFF)
Locality
La Fossa crater, Vulcano Island, Messina prov., Sicily, Italy
Tagged
sulfide

Cannizzarite is sulfide of lead and bismuth and found in volcanic fumaroles at depths reaching 510 degrees F. It also occurs in many other geological environments including vein quartz with gold and sulfide veins. Identifican of the mineral dates back to 1924 and is named after the Italian scientist Stanislao Cannizzaro, who worked on the calculations of atomic weights with what was called the "Cannizzaro reaction".  Cannizzarite was thought to be a variety of Galenobismuthite, a closely related mineral.

As you can see the vial dated 1927, not long after the discovery. This is the type locality.

Antique Specimen, Type Locality

Cannizzarite

Formula
Pb8Bi10S23 
Crystal System
Monoclinic 
Crystal Habit
Lath, Felted, Aggregates 
Luster
Metallic 
Color
light gray, silver gray 
Class
Monoclinic - Prismatic 
Fracture
Flexible 
Hardness
2.5 

Data courtesy of Webmineral.

Collection
Don Phillips Collection
Special Info
Antique Specimen
Special Info
Type Locality

Other Sold

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