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Recently Released New Additions

Mixed Minerals

Sunday, 20 November 2022 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including calcioferrite, cassiterite, hemimorphite, matulaite, metatorbernite, and smithsonite and more from places like Klemms Quarry, Moculta, South Australia, Australia, Yaogangxian mine, Chenzhou, Hunan prov., China, Laochang mine, Gejiu Co., Honghe, Yunnan Province, China, Bachman mine, Northampton Co., Pennsylvania, United States, Arcu su Linnarbu, Capoterra, Cagliari prov., Sardinia, Italy, and Kelly mine, Socorro Co., New Mexico, United States.

Calcioferrite - BN59749
Calcioferrite - BN59749

Calcioferrite

#BN59749
Locality
Klemms Quarry, Moculta, South Australia, Australia 
Formula
Ca4MgFe3+4(PO4)6(OH)4·12H2O 
Availability
Available
Price
$85.00
Size
4.5 x 2.5 x 2 cm - Miniature 
Tagged
phosphate  

Two light yellow crystal groups to 0.5mm. These are very nice crystals and look a little like Montgomeryite. Calcioferrite is found in only five countries and considered very rare. 


Calcioferrite

Formula
Ca4MgFe3+4(PO4)6(OH)4·12H2O 
Crystal System
Monoclinic 
Crystal Habit
Foliated, Reniform 
Cleavage
Perfect, Very Good, None 
Luster
Pearly 
Color
greenish yellow, yellow, yellow green, yellowish white 
Streak
yellowish white 
Class
Monoclinic - Sphenoidal 
Fracture
Brittle 
Hardness
2.5 
Collection
Dr. Buford Nichols Collection
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Cassiterite - AH59716
Cassiterite - AH59716

Cassiterite

#AH59716
Locality
Yaogangxian mine, Chenzhou, Hunan prov., China 
Formula
SnO2 
Availability
Available
Price
$50.00
Size
6 x 3 x 1.5 cm - Sm Cabinet 

Nice miniature specimen of Cassiterite. The largest crystal is 1cm with several smaller. Each crystal is well-defined with a nice internal brown color.


Cassiterite

Formula
SnO2 
Crystal System
Tetragonal 
Crystal Habit
Prismatic, Massive, Botryoidal 
Cleavage
Perfect, Indistinct, None 
Luster
Adamantine 
Color
brown, brownish black, colorless, green, gray 
Streak
brownish white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Irregular 
Hardness
6-7 
Collection
Arnold G Hampson Collection
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Hemimorphite - 59738
Hemimorphite - 59738

Hemimorphite

#59738
Locality
Laochang mine, Gejiu Co., Honghe, Yunnan Province, China 
Formula
Zn4Si2O7(OH)2·H2O 
Availability
Available
Price
$75.00
Size
6.5 x 4 x 5.5 cm - Sm Cabinet 

Nice rich blue botryoidal Hemimorphite.


Hemimorphite

Formula
Zn4Si2O7(OH)2·H2O 
Crystal System
Orthorhombic 
Crystal Habit
Massive, Stalactitic, Mammillary 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, greenish gray, yellow brown, white 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Conchoidal 
Hardness
5 
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Matulaite - 59766
Matulaite - 59766

Matulaite

#59766
Locality
Bachman mine, Northampton Co., Pennsylvania, United States 
Formula
CaAl18(PO4)12(OH)20·28H2O 
Availability
Available
Price
$65.00
Size
5.5 x 2.5 x 3.5 cm - Sm Cabinet 
Tagged
phosphate  
Special Info
Type Locality 

Pearly white flakes across face. Rich, very good speicmen from the type locality.


Matulaite

Formula
CaAl18(PO4)12(OH)20·28H2O 
Crystal System
Monoclinic 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
colorless, white 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
1 
Special Info
Type Locality
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Metatorbernite - AH59752
Metatorbernite - AH59752

Metatorbernite

#AH59752
Locality
Arcu su Linnarbu, Capoterra, Cagliari prov., Sardinia, Italy 
Formula
Cu(UO2)2(PO4)2·8H2O 
Availability
Available
Price
$25.00
Size
4 x 3 x 2.5 cm - Miniature 
Tagged
phosphate , copper  

Tiny, less than 0.5mm, tabular green Torbernite crystals.


Metatorbernite

Formula
Cu(UO2)2(PO4)2·8H2O 
Crystal System
Tetragonal 
Cleavage
Perfect, None, None 
Luster
Vitreous - Adamantine 
Color
light green, dark green 
Streak
light green 
Class
Tetragonal - Dipyramidal 
Fracture
Brittle 
Hardness
2.5 
Collection
Arnold G Hampson Collection
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Smithsonite - 59538
Smithsonite - 59538

Smithsonite

#59538
Locality
Kelly mine, Socorro Co., New Mexico, United States 
Formula
ZnCO3 
Availability
Available
Price
$75.00
Size
4.5 x 3.5 x 3 cm - Miniature 
Tagged
carbonate  

Light blue shimering Smithsonite. Excellent miniature from this hard-to-obtain lcoality.


Smithsonite

Formula
ZnCO3 
Crystal System
Trigonal 
Crystal Habit
Botryoidal, Reniform, Earthy 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
grayish white, dark gray, green, blue, yellow 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle 
Hardness
4.5 
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