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Michigan & Mixed Minerals

Friday, 12 May 2017 06:00 PM

Introducing the "Michigan & Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including calcite, galena, gayite, kingite, and uranophane and more from places like Pugh quarry, Wood Co., Ohio, United States, Thomaston Dam RR cut, Litchfield Co., Connecticut, United States, Gigante pegmatite, Punilla dept., Cordoba, Argentina, Gold Quarry mine, Eureka Co., Nevada, United States, and Bullion-Monarch mine, Marysvale, Piute Co., Utah, United States.

Calcite

with Baryte - #PD46902
Locality
Pugh quarry, Wood Co., Ohio, United States 
Formula
CaCO3 
Availability
Available
Price
$30.00
Size
7.5 x 6 x 3 cm - Sm Cabinet 

Dogtooth Calcite with doubly terminated crystals to 1.7cm and opaque, pearly white Baryte crystals to 5mm. Just a nice Midwest combination specimen from this well-known quarry.


Calcite

Formula
CaCO3 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Stalactitic, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
colorless, white, pink, yellow, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
Collection
Phillips Collection
Mineralpedia
View Calcite
On Dakota Matrix
Previously Sold Calcite
On Dakota Matrix
Other Available Calcite
WebMineral
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Mindat
View Calcite

Galena

with Heulandite - #PD46892
Locality
Thomaston Dam RR cut, Litchfield Co., Connecticut, United States 
Formula
PbS 
Availability
Sold
Size
14 x 6 x 4.5 cm - Cabinet 
Tagged
sulfide  

Grey Galena crystals, the largest to 7mm on a bed of Heulandite and Quartz on Schist matrix. It is sawed flat at the base and the crack you see near the middle only goes as deep as the layer on mineralization on the surface. This is just a representative from this RR cut, which is off-limits these days, according to Mindat.


Galena

Formula
PbS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Metallic 
Color
light lead gray, dark lead gray 
Streak
grayish black 
Class
Isometric - Hexoctahedral 
Fracture
Brittle 
Hardness
2.5 
Collection
Phillips Collection
Mineralpedia
View Galena
On Dakota Matrix
Previously Sold Galena
On Dakota Matrix
Other Available Galena
WebMineral
View Galena
Mindat
View Galena

Gayite

with Spessartine - #BN46905
Locality
Gigante pegmatite, Punilla dept., Cordoba, Argentina 
Formula
NaMn2+Fe3+5(PO4)4(OH)6·2H2
Availability
Available
Price
$95.00
Size
4 x 2 x 2.5 cm - Miniature 
Tagged
phosphate  
Special Info
Type Locality 

A coating of bluish green Gayite on Spessartine. A rare pegmatitic phosphate found so far exclusively in pegmatites at four worldwide localities. Excalibur label.


Collection
Dr. Buford L. Nichols Collection
Special Info
Type Locality
On Dakota Matrix
Previously Sold Gayite
On Dakota Matrix
Other Available Gayite
WebMineral
View Gayite
Mindat
View Gayite

Kingite

with Tyuyamunite - #BN46893
Locality
Gold Quarry mine, Eureka Co., Nevada, United States 
Formula
Al3(PO4)2F2(OH)·7H2
Availability
Available
Price
$55.00
Size
4 x 4 x 3 cm - Miniature 
Tagged
phosphates  

White, radiating crystals of Kingite to 2mm with yellow Tyuyamunite crusts.


Kingite

Formula
Al3(PO4)2F2(OH)·7H2
Crystal System
Triclinic 
Crystal Habit
Platy, Irregular Grains, Nodular 
Color
white 
Streak
white 
Class
Triclinic - Pinacoidal 
Hardness
Collection
Dr. Buford L. Nichols Collection
On Dakota Matrix
Previously Sold Kingite
On Dakota Matrix
Other Available Kingite
WebMineral
View Kingite
Mindat
View Kingite

Uranophane

#PD46898
Locality
Bullion-Monarch mine, Marysvale, Piute Co., Utah, United States 
Formula
Ca(UO2)2(SiO3OH)2·5H2
Availability
Available
Price
$45.00
Size
7 x 5 x 3.5 cm - Sm Cabinet 

Yellow pulverulent coating of Uranophane on siltstone matrix with unidentified platy green crystals. Ex. Charles Lewis collection.


Uranophane

Formula
Ca(UO2)2SiO3(OH)2*5(H2O) 
Crystal System
Monoclinic 
Crystal Habit
Radial, Earthy, Massive - Fibrous 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, yellow brown, yellow green, yellow orange, light yellow 
Streak
yellowish white 
Class
Monoclinic - Sphenoidal 
Fracture
Uneven 
Hardness
2.5 
Collection
Phillips Collection

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