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Rare & Systematic Minerals

Sunday, 30 April 2023 06:00 PM

Introducing the "Rare & Systematic Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including hainite-(y), kingite, and scorzalite and more from places like Bortolan quarry, Poços de Caldas, Minas Gerais, Brazil, Tom's Phosphate quarry, Kapunda, South Australia, Australia, and Machacamarca, Potosí dept., Bolivia.

Hainite-(Y)

#BAC61567
Locality
Bortolan quarry, Poços de Caldas, Minas Gerais, Brazil 
Formula
Na(Na,Ca)2Ca2(Ca,Zr,Y)2Ti(Si2O7)2F2F2 
Availability
Sold
Size
3.5 x 2.3 x 3 cm - Miniature 
Tagged
REE mineral  

Tannish acicular, kind of fibrous crystals to 6mm. Fairy rare.


Collection
William & Anne Cook Collection

Kingite

#61371
Locality
Tom's Phosphate quarry, Kapunda, South Australia, Australia 
Formula
Al3(PO4)2F2(OH)·7H2
Availability
Available
Price
$30.00
Size
3.5 x 2.5 x 2.5 cm - Miniature 
Tagged
phosphate  

Chalky white nodule.


Kingite

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

Scorzalite

#61044
Locality
Machacamarca, Potosí dept., Bolivia 
Formula
Fe2+Al2(PO4)2(OH)2 
Availability
Available
Price
$55.00
Size
2.5 x 1.5 x 1.8 cm - Thumbnail 
Tagged
phosphate  

Lustrous deep blue crystals of Scorzalite to 2mm, a mineral which rare form in crystals especially to this size.


Scorzalite

Formula
Fe2+Al2(PO4)2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Granular, Massive - Granular 
Cleavage
Good, None, None 
Luster
Vitreous - Dull 
Color
dark blue, greenish blue 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
5.5-6 

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