mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
Checkout
0 item @ $0.00  
Home | My Cart | Login | Register

Stannite - tin ore

#58125
SOLD
Stannite from Wheal Rock, Porthtowan, St Agnes, Cornwall, England - 58125
Stannite from Wheal Rock, Porthtowan, St Agnes, Cornwall, England - 58125

Stannite - tin ore

#58125
Availability
Sold
Size
7 x 5 x 6 cm - Sm Cabinet 
Formula
Cu2FeSnS4 (RRUFF)
Locality
Wheal Rock, Porthtowan, St Agnes, Cornwall, England
Tagged
ore mineral , sulfide , copper , tin

This is a chunk of Stannite which has a dull grey tarnished surface. It is split and shows a shiny silvery luster. It is a primary ore of tin, although not as common as Cassiterite. Stannite carries 29.6% copper and 27.6% tin. The mineral is chiefly found in high temperature hydrothermal vein deposits. Stannite is relatively soft with a hardness of 4 and has a density of 4.3 - 4.5. This is the type localty.

Stannite

Formula
Cu2FeSnS4 
Crystal System
Tetragonal 
Crystal Habit
Massive - Granular, Crystalline - Fine 
Cleavage
Imperfect, None, None 
Luster
Metallic 
Color
blue, grayish black, steel gray 
Streak
black 
Class
Tetragonal - Scalenohedral 
Fracture
Uneven 
Hardness
3.5-4 

Data courtesy of Webmineral.

Collection
Bill Wilson Collection
Mineralpedia
View Stannite
On Dakota Matrix
Previously Sold Stannite
On Dakota Matrix
Other Available Stannite
WebMineral
View Stannite
Mindat
View Stannite

Related Products

Other Sold

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2025 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map