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0 item @ $0.00  

Tin Minerals

Saturday, 12 October 2024 08:00 AM

Introducing the "Tin Minerals" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including toyohaite, vismirnovite, wickmanite, and yanomamite and more from places like Pirquitas Ag-Sn Deposit, Rinconada Dept., Jujuy, Argentina, Mushiston deposit, Kaznok Valley, Pendzhikent, Tajikistan, San Martín mine, Sombrerete, Zacatecas, Mexico, and Mangabeira Tin deposit, Monte Alegre de Goiás, Goiás, Brazil.

SOLD
Toyohaite - BAC64664
Toyohaite - BAC64664

Toyohaite

with Franckeite - #BAC64664
Locality
Pirquitas Ag-Sn Deposit, Rinconada Dept., Jujuy, Argentina 
Formula
Ag2FeSn3S8 
Availability
Sold
Size
1 x 0.8 x 0.8 cm - Thumbnail 
Tagged
sulfide , tin , silver  

A mass of dark grey rare sulfides associated with submicroscopic crystals of Toyohaite.


Toyohaite

Formula
Ag2FeSn3S8 
Crystal System
Tetragonal 
Luster
Metallic 
Color
gray 
Class
Tetragonal - Dipyramidal 
Hardness
Collection
William & Anne Cook Collection
SOLD
Vismirnovite - 63709
Vismirnovite - 63709

Vismirnovite

#63709
Locality
Mushiston deposit, Kaznok Valley, Pendzhikent, Tajikistan 
Formula
ZnSn(OH)6 
Availability
Sold
Size
Capsule 
Tagged
tin  
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

This is a tiny 1.0 mm speck but is all yellowish green Vismirnovite, a rare tin mineral found in only five worldwide deposits. This specimen originated with Dr. Igor Pekov.


Vismirnovite

Formula
ZnSn(OH)6 
Crystal System
Isometric 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
light yellow 
Streak
white 
Class
Isometric - Hexoctahedral 
Hardness
Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed

Wickmanite

on Quartz - #43718
Locality
San Martín mine, Sombrerete, Zacatecas, Mexico 
Formula
Mn2+Sn4+(OH)6 
Availability
Sold
Size
6 x 3.8 x 2 cm - Sm Cabinet 
Tagged
tin  
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

Very rich specimen with a hundred or so lemon yelow cubic crystals on frosted Quartz crystals. 


Wickmanite

Formula
Mn2+Sn4+(OH)6 
Crystal System
Isometric 
Crystal Habit
Octahedral Crystals 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, orange brown, yellow orange, colorless 
Streak
white 
Class
Isometric - Hexoctahedral 
Hardness
3-4 
Special Info
XRD Confirmed
Special Info
EDS Confirmed

Wickmanite

on Quartz - #50773
Locality
San Martín mine, Sombrerete, Zacatecas, Mexico 
Formula
Mn2+Sn4+(OH)6 
Availability
Sold
Size
6.7 x 2.3 x 2 cm - Sm Cabinet 
Tagged
tin  

By far the richest specimen of those posted. Between the green arrows are hundreds of lemon yellow, cubic crystals to around 0.3 to 0.4mm. Excellent rare specimen. These were identified by Dr. Peter Megaw.


Wickmanite

Formula
Mn2+Sn4+(OH)6 
Crystal System
Isometric 
Crystal Habit
Octahedral Crystals 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, orange brown, yellow orange, colorless 
Streak
white 
Class
Isometric - Hexoctahedral 
Hardness
3-4 

Wickmanite

on Quartz - #50776
Locality
San Martín mine, Sombrerete, Zacatecas, Mexico 
Formula
Mn2+Sn4+(OH)6 
Availability
Available
Price
$150.00
Size
5.5 x 3 x 2 cm - Sm Cabinet 
Tagged
tin  
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

About a dozen or so lemon yellow Wickmanite crystals to about 0.3mm on a frosted Quartz crystal group. Most all of the crystals are between the two blue arrows. A nice There are also some clear cubic Fluorite crystals.


Wickmanite

Formula
Mn2+Sn4+(OH)6 
Crystal System
Isometric 
Crystal Habit
Octahedral Crystals 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, orange brown, yellow orange, colorless 
Streak
white 
Class
Isometric - Hexoctahedral 
Hardness
3-4 
Special Info
XRD Confirmed
Special Info
EDS Confirmed

Yanomamite

#64742
Locality
Mangabeira Tin deposit, Monte Alegre de Goiás, Goiás, Brazil 
Formula
InAsO4·2H2
Availability
Sold
Size
2.2 x 1.8 x 1.7 cm - Thumbnail 
Tagged
arsenate  
Special Info
Type Locality 

Pearly mint green crystal groups to 1mm in vugs.


Yanomamite

Formula
InAsO4·2H2
Crystal System
Orthorhombic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
blue green, light green, light yellow green 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Hardness
5.5-6 
Special Info
Type Locality

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