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Mixed Minerals

Friday, 11 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 cerchiaraite-(fe), chrysocolla, fluorite, friedelite, ludjibaite, and luetheite and more from places like Esquire #7 claim, Big Creek, Fresno Co., California, United States, Bagdad pit, Eureka dist., Yavapai Co., Arizona, United States, Hunan, China, Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States, Atwood mine, Hidalgo Co., New Mexico, Untited States, and Humboldt mine, Patagonia dist., Santa Cruz Co., Arizona, United States.

Cerchiaraite-(Fe)

#59669
Locality
Esquire #7 claim, Big Creek, Fresno Co., California, United States 
Formula
Ba4Fe43+O3(OH)3(Si4O12)[Si2O3(OH)4]Cl 
Availability
Available
Price
$75.00
Size
2 x 1.5 x 1 cm - Thumbnail 

Dark blue massive Cerchiaraite-(Fe). The Esquire #7 deposit share type localities with two other localities.


Cerchiaraite-(Fe)

Collection
Robert E. Walstrom collection

Chrysocolla

with Quartz - #59551
Locality
Bagdad pit, Eureka dist., Yavapai Co., Arizona, United States 
Formula
(Cu,Al)2H2Si2O5(OH)4·nH2
Availability
Sold
Size
12 x 5.5 x 5 cm - Cabinet 
Tagged
copper  

A beautiful specimen of blue Chrysocolla with drusy Quartz overgrowth and cloud like formations. 


Chrysocolla

Formula
(Cu,Al)2H2Si2O5(OH)4·nH2
Crystal System
Orthorhombic 
Crystal Habit
Botryoidal, Earthy, Stalactitic 
Cleavage
None, None, None 
Luster
Vitreous - Dull 
Color
green, bluish green, blue, blackish blue, brown 
Streak
light green 
Class
Orthorhombic 
Fracture
Brittle - Sectile 
Hardness
2.5-3.5 

Fluorite

#59652
Locality
Hunan, China 
Formula
CaF2 
Availability
Available
Price
$75.00
Size
12 x 12 x 0.7 cm - Cabinet 

Beautifully banded gree to purple slab not polished.


Fluorite

Formula
CaF2 
Crystal System
Isometric 
Crystal Habit
Crystalline - Coarse, Massive - Granular, Disseminated 
Cleavage
Three perfect, octahedral cleavages. 
Luster
Vitreous (Glassy) 
Color
purple, clear, yellow, green, red, blue 
Streak
white 
Geological Setting
Occurs in a wide range of geologic environments including low temperature Missississippi Valley lead-zinc deposits, hydrothermal gold deposits, Alpine cleft metamorphic environments  
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
Mineralpedia
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On Dakota Matrix
Previously Sold Fluorite
On Dakota Matrix
Other Available Fluorite
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Friedelite

#AH59365
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
Mn2+8Si6O15(OH)10 
Availability
Available
Price
$60.00
Size
3 x 1.5 x 2 cm - Thumbnail 

Textbook free-standing peach colored Friedelite crystals to 1mm.


Friedelite

Formula
Mn2+8Si6O15(OH)10 
Crystal System
Monoclinic 
Crystal Habit
Massive, Tabular 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
brown, brown red, yellow, light pink, dark red 
Streak
pink 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
4-5 
Collection
Arnold G Hampson Collection

Ludjibaite

#59265
Locality
Atwood mine, Hidalgo Co., New Mexico, Untited States 
Formula
Cu5(PO4)2(OH)4 
Availability
Available
Price
$85.00
Size
3 x 2.5 x 2 cm - Thumbnail 
Tagged
phosphate , copper  

Dark green groups of spheroidal Ludjibaite collected by the late Robert Walstrom.


Ludjibaite

Formula
Cu5(PO4)2(OH)4 
Crystal System
Triclinic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
blue green 
Streak
bluish white 
Class
Triclinic - Pinacoidal 
Hardness
Collection
Robert E. Walstrom collection

Luetheite

#AH59664
Locality
Humboldt mine, Patagonia dist., Santa Cruz Co., Arizona, United States 
Formula
Cu2Al2(AsO4)2(OH)4·H2
Availability
Sold
Size
2.3 x 2 x 1.4 cm - Thumbnail 
Tagged
arsenate , copper  
Special Info
Type Locality 

Bluish green clusters to 1mm composed of platy Luetheite to around 0.3mm. Luetheite is a rare copper arsenate found in only four places worldwide.


Luetheite

Formula
Cu2Al2(AsO4)2(OH)4·H2
Crystal System
Monoclinic 
Cleavage
Distinct, None, None 
Color
blue, greenish, light green 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
Collection
Arnold G Hampson Collection
Special Info
Type Locality
Mineralpedia
View Luetheite
On Dakota Matrix
Previously Sold Luetheite
On Dakota Matrix
Other Available Luetheite
WebMineral
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Mindat
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