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0 item @ $0.00  

Mixed Minerals

Sunday, 13 September 2020 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including rutile, sanidine, shomiokite-(y), stibnite, suzukiite, and sylvanite and more from places like Parkesburg, Sadsbury Township, Chester Co., Pennsylvania, United States, Itrongay, Betroka dist., Anosy, Toliara, Madagascar, Shomiokitovoe pegmatite, Umbozero Mine, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Russia, Smuggler Almont, Dunton dist., Dolores Co., Colorado, United States, Mogurazawa mine, Kanto Region, Honshu Island, Japan, and Cripple Creek dist., Teller Co., Colorado, United States.

Rutile

#WR54136
Locality
Parkesburg, Sadsbury Township, Chester Co., Pennsylvania, United States 
Formula
TiO2 
Availability
Sold
Size
5.5 x 3.5 x 2.5 cm - Sm Cabinet 

Deep red section of a larger crystal showing a portion of the cyclic twin. By all standards this is a good-sized crystal. Note the second photo - do you see Crazy Horse?


Rutile

Formula
TiO2 
Crystal System
Tetragonal 
Crystal Habit
Acicular, Prismatic, Massive - Granular 
Cleavage
Distinct, None, None 
Luster
Adamantine 
Color
blood red, bluish, brownish yellow, brown red, violet 
Streak
grayish black 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Uneven 
Hardness
6-6.5 
Collection
Willard L. Roberts Collection
On Dakota Matrix
Previously Sold Rutile
On Dakota Matrix
Other Available Rutile
WebMineral
View Rutile
Mindat
View Rutile

Sanidine

#WR53991
Locality
Itrongay, Betroka dist., Anosy, Toliara, Madagascar 
Formula
K(AlSi3)O8 
Availability
Available
Price
$85.00
Size
3 x 1.5 x 1.5 cm - Thumbnail 
Special Info
Gem Quality 

Gemmy yellow and transulcent Sanidine showing cleavage - it is a partial of a larger crystal.


Sanidine

Formula
K(AlSi3)O8 
Crystal System
Monoclinic 
Crystal Habit
Blocky, Prismatic, Massive - Granular 
Cleavage
Perfect, Good, None 
Luster
Vitreous - Pearly 
Color
colorless, white, gray, yellowish white, reddish white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
Collection
Willard L. Roberts Collection
Special Info
Gem Quality
Mineralpedia
View Sanidine
On Dakota Matrix
Previously Sold Sanidine
On Dakota Matrix
Other Available Sanidine
WebMineral
View Sanidine
Mindat
View Sanidine
SOLD
Shomiokite-(Y) - PD54023
Shomiokite-(Y) - PD54023

Shomiokite-(Y)

#PD54023
Locality
Shomiokitovoe pegmatite, Umbozero Mine, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Russia 
Formula
Na3Y(CO3)3·3H2
Availability
Sold
Size
0.7 x 0.5 x 0.5 cm - Thumbnail 
Tagged
carbonate , REE mineral  
Special Info
Type Locality 

Honey yellow partial section of a primatic crystal with deep striations. Shomiokite-(Y) is a rare earth bearing mineral found at only two localities worldwide.


Shomiokite-(Y)

Formula
Na3Y(CO3)3·3H2
Crystal System
Orthorhombic 
Cleavage
Perfect, None, None 
Luster
Earthy (Dull) 
Color
colorless 
Streak
white 
Class
Orthorhombic - Pyramidal 
Hardness
2-3 
Collection
Don Phillips Collection
Special Info
Type Locality

Stibnite

#AH54068
Locality
Smuggler Almont, Dunton dist., Dolores Co., Colorado, United States 
Formula
Sb2S3 
Availability
Sold
Size
5 x 4.5 x 4.5 cm - Miniature 
Tagged
sulfide  

A rare find for this mineral at this mine, which is not even on the locality list on Mindat. It was collected by Arnold Hampson himself in 1993.


Stibnite

Formula
Sb2S3 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Striated, Granular 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
lead gray, bluish lead gray, steel gray, black 
Streak
blackish gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
Collection
Arnold G Hampson Collection
Mineralpedia
View Stibnite
On Dakota Matrix
Previously Sold Stibnite
On Dakota Matrix
Other Available Stibnite
WebMineral
View Stibnite
Mindat
View Stibnite

Suzukiite

in Rhodonite - #DP44293
Locality
Mogurazawa mine, Kanto Region, Honshu Island, Japan 
Formula
BaV4+Si2O7 
Availability
Available
Price
$95.00
Size
Chip < 1cm 
Tagged
vanadium  
Special Info
Type Locality 

Extremely rare, little 0.5mm bluish green crystal grain. It is found in three places in Japan and also in Canada. 


Suzukiite

Formula
BaV4+Si2O7 
Crystal System
Orthorhombic 
Crystal Habit
Flakes 
Cleavage
Perfect, Distinct, Distinct 
Luster
Vitreous (Glassy) 
Color
light green 
Streak
light green 
Class
Orthorhombic - Pyramidal 
Hardness
4-4.5 
Collection
Don Phillips Collection
Special Info
Type Locality
Mineralpedia
View Suzukiite
On Dakota Matrix
Previously Sold Suzukiite
On Dakota Matrix
Other Available Suzukiite
WebMineral
View Suzukiite
Mindat
View Suzukiite

Sylvanite

#AH54062
Locality
Cripple Creek dist., Teller Co., Colorado, United States 
Formula
AgAuTe4 
Availability
Sold
Size
8 x 3 x 1.5 cm - Sm Cabinet 
Tagged
tellurium , silver , gold  

Brassy, platy crystals to 1mm, fair coverage. Obtained in 1945 by Arnold Hampson.


Sylvanite

Formula
AgAuTe4 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Skeletal, Platy 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
yellowish silver white, white 
Streak
steel gray 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
1.5-2 
Collection
Arnold G Hampson Collection
Mineralpedia
View Sylvanite
On Dakota Matrix
Previously Sold Sylvanite
On Dakota Matrix
Other Available Sylvanite
WebMineral
View Sylvanite
Mindat
View Sylvanite

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