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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 bismuth, calcite, covellite, galena, and gayite and more from places like Lane's Bismuth mine, Monroe, Fairfield Co., Connecticut, United States, French Creek mines, Chester Co., Pennslyvania, United States, Pugh quarry, Wood Co., Ohio, United States, Summitville dist., Rio Grande Co., Colorado, United States, Thomaston Dam RR cut, Litchfield Co., Connecticut, United States, and Gigante pegmatite, Punilla dept., Cordoba, Argentina.

Bismuth

#PD46903
Locality
Lane's Bismuth mine, Monroe, Fairfield Co., Connecticut, United States 
Formula
Bi 
Availability
Available
Price
$30.00
Size
7.5 x 6.5 x 4 cm - Sm Cabinet 
Tagged
native element  

A representative specimen from this old locality with metallic, brassy Bismuth crystal grains to 3mm. Sparse.


Bismuth

Formula
Bi 
Crystal System
Trigonal 
Crystal Habit
Platy, Lamellar, Granular 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
silver white, pinkish white, red 
Streak
silver white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Uneven 
Hardness
2-2.5 
Collection
Phillips Collection
Mineralpedia
View Bismuth
On Dakota Matrix
Previously Sold Bismuth
On Dakota Matrix
Other Available Bismuth
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Mindat
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Calcite

#PD46897
Locality
French Creek mines, Chester Co., Pennslyvania, United States 
Formula
CaCO3 
Availability
Available
Price
$75.00
Size
5 x 2 x 4 cm - Miniature 
Tagged
carbonate  

A beautiful yellow color rhomnbic crystal to 1.5cm. The color is fantastic, like a sherry color. Barely any knicks, almost perfect and ex-Richard V. Gaines collection.


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
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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
View Calcite
Mindat
View Calcite

Covellite

with Chalcopyrite - #46910
Locality
Summitville dist., Rio Grande Co., Colorado, United States 
Formula
CuS 
Availability
Available
Price
$125.00
Size
8.5 x 6.5 x 4.5 cm - Sm Cabinet 
Tagged
sulfide , copper  

Hard to find these days, this Covellite is a thin platy crystal mass of virtually solid Covellite with an outer veneer or coating of gold Chalcopyrite.


Covellite

Formula
CuS 
Crystal System
Hexagonal 
Crystal Habit
Platy, Foliated 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
indigo blue, light blue, dark blue, black 
Streak
black gray 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle 
Hardness
1.5-2 
Mineralpedia
View Covellite
On Dakota Matrix
Previously Sold Covellite
On Dakota Matrix
Other Available Covellite
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Mindat
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Galena

with Heulandite - #PD46892
Locality
Thomaston Dam RR cut, Litchfield Co., Connecticut, United States 
Formula
PbS 
Availability
Available
Price
$35.00
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
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Mindat
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Gayite

with Spessartine - #BN46905
Locality
Gigante pegmatite, Punilla dept., Cordoba, Argentina 
Formula
NaMn2+Fe3+5(PO4)4(OH)6ยท2H2
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

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