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0 item @ $0.00  

Mixed Rare and FIne Minerals

Sunday, 25 April 2021 07:00 PM

Introducing the "Mixed Rare and FIne Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including hematite, hillite, hureaulite, hydrozincite, inesite, and kasolite and more from places like Hunter's Point quarry, Apache Co., Arizona, United States, Reaphook Hill, Flinders Ranges, South Australia, Australia, Tip Top mine, Custer Co., South Dakota, United States, Downeyville Lead mine, Nye Co., Nevada, United States, Hale Creek mine, Trinity Co., California, United States, and Swambo Hill, Katanga, Democratic Republic of Congo.

Hematite

#AH55655
Locality
Hunter's Point quarry, Apache Co., Arizona, United States 
Formula
Fe2O3 
Availability
Sold
Size
9 x 9 x 2.5 cm - Sm Cabinet 

Plates of highly reflective Hematite with a luster like chrome-plating. 


Hematite

Formula
Fe2O3 
Crystal System
Trigonal 
Crystal Habit
Tabular, Blocky, Earthy 
Cleavage
None, None, None 
Luster
Metallic 
Color
reddish gray, black, blackish red 
Streak
reddish brown 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Conchoidal 
Hardness
6.5 
Collection
Arnold G Hampson Collection
Mineralpedia
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Hillite

with Scholzite - #27445
Locality
Reaphook Hill, Flinders Ranges, South Australia, Australia 
Formula
Ca2Zn(PO4)2·2H2
Availability
Sold
Size
3.5 x 2.5 x 2 cm - Miniature 
Tagged
phosphate  

Very rich specimen of triclinic, euhedral, doubly terminated micro crystals to about 0.75mm occuring as singles, groups and on blades of Scholzite. Hillite is the zinc dominant analogue of Collinsite, which occurs on this specimen also as grey, rounded aggregates to 1mm. 


Hillite

Formula
Ca2Zn(PO4)2·2H2
Crystal System
Triclinic 
Crystal Habit
Blocky 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous - Pearly 
Color
colorless, gray, greenish gray, bluish gray 
Streak
white 
Class
Triclinic - Pinacoidal 
Hardness
3.5 
Mineralpedia
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Hureaulite

#55657
Locality
Tip Top mine, Custer Co., South Dakota, United States 
Formula
Mn2+5(PO4)2(PO3OH)2·4H2
Availability
Available
Price
$40.00
Size
4.5 x 4.5 x 4 cm - Miniature 
Tagged
phosphate , pegmatite mineral  

Rich pink glassy crystals to 5mm. Under the scope you will also see many fine micro Hureaulite crystals and minor Jahnsite. The matrix is altered Triphylite with green Leucophosphite. 


Hureaulite

Formula
Mn2+5(PO4)2(PO3OH)2·4H2
Crystal System
Monoclinic 
Crystal Habit
Massive, Compact, Fibrous 
Cleavage
Distinct, None, None 
Luster
Vitreous - Greasy 
Color
red, white, grayish white, yellowish white, reddish white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness

Hydrozincite

#39600
Locality
Downeyville Lead mine, Nye Co., Nevada, United States 
Formula
Zn5(CO3)2(OH)6 
Availability
Sold
Size
13 x 8.5 x 6 cm - Cabinet 
Tagged
carbonate  

Large cabinet specimen with pockets of 1 to 2cm filled with snow white, thin crystals of Hydrozincite.


Hydrozincite

Formula
Zn5(CO3)2(OH)6 
Crystal System
Monoclinic 
Crystal Habit
Bladed, Stalactitic, Massive - Fibrous 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
white, yellowish white, grayish white, pinkish white, bluish white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
2-2.5 

Inesite

#55622
Locality
Hale Creek mine, Trinity Co., California, United States 
Formula
Ca2Mn2+7Si10O28(OH)2·5H2
Availability
Sold
Size
5 x 5 x 4 cm - Miniature 

Pink crystals to 5mm with coverage on all sides with a green mineral I believe is Julgodite. This Inesite seems to be color changing depending on the light used. Halogen lights bring out the pink and thus it is not as pink as the photos show.


Inesite

Formula
Ca2Mn2+7Si10O28(OH)2·5H2
Crystal System
Triclinic 
Crystal Habit
Radial, Massive - Fibrous, Spherical 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
brown, brown, pink, orange 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle - Uneven 
Hardness
Mineralpedia
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Kasolite

with Sklodowskite - #DC55688
Locality
Swambo Hill, Katanga, Democratic Republic of Congo 
Formula
Pb(UO2)SiO4·H2
Availability
Sold
Size
3.5 x 2 x 1.5 cm - Miniature 

Choice specimen loaded with glassy orange prismatic crystals to about 0.75mm and yellow acicular sprays of Sklodowsite.

Ex. William Pinch.


Kasolite

Formula
Pb(UO2)SiO4·H2
Crystal System
Monoclinic 
Crystal Habit
Radial, Prismatic, Fibrous 
Cleavage
Perfect, Good, Good 
Luster
Resinous - Greasy 
Color
green, gray green, yellow, yellow brown, reddish orange 
Streak
light brownish yellow 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
Collection
Don Cooke Collection
Mineralpedia
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On Dakota Matrix
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