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Mixed Minerals

Friday, 06 January 2017 05:30 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including carminite, chlorargyrite, cyrilovite, fluorite, scholzite, and tokkoite and more from places like San Rafael mine, Nye Co., Nevada, United States, Milgun Station, Western Australia, Australia, Rosiclare, Hardin Co., Illinois, United States, Reaphook Hill, Flinders Ranges, South Australia, Australia, and Chara and Tokko Rivers Confluence, Eastern Siberia, Russia.

Carminite

with Segnitite - #46122
Locality
San Rafael mine, Nye Co., Nevada, United States 
Formula
PbFe3+2(AsO4)2(OH)2 
Availability
Sold
Size
3.5 x 1 x 1 cm - Miniature 
Tagged
arsenate  

Deep red acicular crystals as random singles and fans to about 1mm and less with yellow Segnitite. It is for San Rafael rare and one of the better I have.


Carminite

Formula
PbFe3+2(AsO4)2(OH)2 
Crystal System
Orthorhombic 
Crystal Habit
Lath, Acicular 
Cleavage
Distinct, None, None 
Luster
Vitreous - Pearly 
Color
carmine red, reddish brown 
Streak
reddish yellow 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 
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Chlorargyrite

with Wulfenite & Mimetite - #40201
Locality
San Rafael mine, Nye Co., Nevada, United States 
Formula
AgCl 
Availability
Available
Price
$55.00
Size
6 x 4.5 x 5 cm - Sm Cabinet 
Tagged
silver  

Waxy grayish green formless groups of Chlorargyrite to 5mm in decayed Galena with blonde Wulfenite crystals to about 1mm. Also associated is colorless prismatic Mimetite.


Chlorargyrite

Formula
AgCl 
Crystal System
Isometric 
Crystal Habit
Massive, Columnar 
Cleavage
None, None, None 
Luster
Adamantine - Resinous 
Color
purplish gray, green, white, colorless 
Streak
white 
Class
Isometric - Hexoctahedral 
Fracture
Sectile 
Hardness
1-1.5 

Cyrilovite

#BN46128
Locality
Milgun Station, Western Australia, Australia 
Formula
NaFe3+3(PO4)2(OH)4·2H2
Availability
Available
Price
$35.00
Size
5 x 3 x 2 cm - Miniature 
Tagged
phosphate  

Tiny spherulites of yellow Cyrilovite. Ex. Jack Parnau.


Cyrilovite

Formula
NaFe3+3(PO4)2(OH)4·2H2
Crystal System
Tetragonal 
Crystal Habit
Massive - Granular, Pseudo Cubic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, orange yellow, brown 
Streak
yellow 
Class
Tetragonal - Trapezohedral 
Fracture
Uneven 
Hardness
Collection
Dr. Buford L. Nichols Collection

Fluorite

#DO46098
Locality
Rosiclare, Hardin Co., Illinois, United States 
Formula
CaF2 
Availability
Sold
Size
4.5 x 4 x 2.5 cm - Miniature 

A 1.8cm blue cubic crystal with a yellow core. Partial on backside. It is in pretty good condition.


Fluorite

Formula
CaF2 
Crystal System
Isometric 
Crystal Habit
Crystalline - Coarse, Massive - Granular, Disseminated 
Cleavage
Three perfect, octahedral cleavages. 
Luster
Vitreous (Glassy) 
Color
purple, clear, yellow, green, red, blue 
Streak
white 
Geological Setting
Occurs in a wide range of geologic environments including low temperature Missississippi Valley lead-zinc deposits, hydrothermal gold deposits, Alpine cleft metamorphic environments  
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
Collection
Don Owens Collection
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Scholzite

with Hillite - #27433
Locality
Reaphook Hill, Flinders Ranges, South Australia, Australia 
Formula
CaZn2(PO4)2·2H2
Availability
Available
Price
$95.00
Size
3.5 x 3.5 x 2.5 cm - Miniature 
Tagged
phosphate  

Colorless long slender bladed crystals of Scholzite in uneven radial growths. In association are tiny colorless, tabular crystals of very rare Hillite. These crystals are approximately 0.5mm. They occur alone without Scholzite and also upon the Scholzite needles as you can see in the photos.Hillite is a one-locality mineral. Both are calcium-zinc phosphates.


Scholzite

Formula
CaZn2(PO4)2·2H2
Crystal System
Orthorhombic 
Cleavage
Parting, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, gray white, white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
Mineralpedia
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Tokkoite

#PD46108
Locality
Chara and Tokko Rivers Confluence, Eastern Siberia, Russia 
Formula
K2Ca4Si7O18(OH)F 
Availability
Available
Price
$25.00
Size
2.5 x 0.5 x 0.5 cm - Thumbnail 
Special Info
Type Locality 

A tight packed, splintery mass of light purple Charoite with yellowish brown Tokkoite.


Tokkoite

Formula
K2Ca4Si7O18(OH)F 
Crystal System
Triclinic 
Crystal Habit
Radial, Columnar, Aggregates 
Cleavage
Perfect, Very Good, None 
Luster
Vitreous (Glassy) 
Color
brownish yellow, colorless, light yellow 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Splintery 
Hardness
4-5 
Collection
Phillips Collection
Special Info
Type Locality
Mineralpedia
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