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0 item @ $0.00  

Mixed Minerals

Friday, 03 May 2019 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including childrenite, elbaite, eosphorite, epidote, fluellite, and goethite and more from places like Drakewalls mine, Calstock, Cornwall, England, Pederneira mine, Sao Jose da Safira, Minas Gerais, Brazil, Taquaral, Itinga, Minas Gerais, Brazil, Hawthorne, Mineral Co., Nevada, United States, Willard mine, Pershing Co., Nevada, United States, and Whiteside mine, Mesabi Range, St. Louis Co., Minnesota, United States.

SOLD
Childrenite - 50250
Childrenite - 50250

Childrenite

#50250
Locality
Drakewalls mine, Calstock, Cornwall, England 
Formula
Fe2+AlPO4(OH)2·H2
Availability
Sold
Size
7.5 x 4 x 4 cm - Sm Cabinet 
Tagged
phosphate  

Micro funnel-shaped crystals of Childrenite.


Childrenite

Formula
Fe2+AlPO4(OH)2·H2
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Tabular, Platy 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Resinous 
Color
white, yellowish brown, brownish black 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Conchoidal - Uneven 
Hardness
4.5-5 

Elbaite

with Lepidolite - #50708
Locality
Pederneira mine, Sao Jose da Safira, Minas Gerais, Brazil 
Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 
Availability
Sold
Size
10.5 x 6 x 5.5 cm - Cabinet 

Cabinet specimen of green Elbaite with fibrous crystals at the core and abundant single crystals on the outer edges. There is one single grey ball of Lepidolite.


Elbaite

Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 
Crystal System
Trigonal 
Crystal Habit
Striated, Prismatic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
blue, colorless, green, yellow, white 
Streak
white 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Sub Conchoidal 
Hardness
7.5 
Collection
Dr. Buford Nichols Collection
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Eosphorite

on Quartz - #48006
Locality
Taquaral, Itinga, Minas Gerais, Brazil 
Formula
Mn2+AlPO4(OH)2·H2
Availability
Sold
Size
17 x 6 x 7 cm - Cabinet 
Tagged
phosphate , pegmatite mineral  

Reddish brown crystals of Eosphorite as singles and clusters on a group of Quartz crystals.


Eosphorite

Formula
Mn2+AlPO4(OH)2·H2
Crystal System
Orthorhombic 
Crystal Habit
Massive - Fibrous, Prismatic, Striated 
Cleavage
Indistinct, None, None 
Luster
Vitreous - Resinous 
Color
light pink, yellow brown, light brown, light yellow, colorless 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal - Uneven 
Hardness
Collection
Dr. Buford Nichols Collection

Epidote

#46236
Locality
Hawthorne, Mineral Co., Nevada, United States 
Formula
Ca2Fe3+Al2(Si2O7)(SiO4)O(OH) 
Availability
Available
Price
$75.00
Size
5 x 1.5 x 1 cm - Miniature 

Dark green prismatic and terminated single crystal. Excellent specimen.


Epidote

Formula
Ca2Fe3+Al2(Si2O7)(SiO4)O(OH) 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Fibrous, Massive 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
yellowish green, brownish green, black, yellow, gray 
Streak
grayish white 
Class
Monoclinic - Prismatic 
Fracture
Regular 
Hardness
Collection
Chris van Laer Collection
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Fluellite

on Varisite with Minyulite - #50665
Locality
Willard mine, Pershing Co., Nevada, United States 
Formula
Al2(PO4)F2(OH)·7H2
Availability
Sold
Size
4.5 x 3 x 1 cm - Miniature 
Tagged
phosphate  

Murky white 2-3mm Fluellite crystals with two nice sprays of Minyulite to 5mm.


Fluellite

Formula
Al2(PO4)F2(OH)·7H2
Crystal System
Orthorhombic 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
golden yellow, colorless, dark purple, black 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Hardness
Collection
Dr. Buford Nichols Collection
Mineralpedia
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Goethite

#50677
Locality
Whiteside mine, Mesabi Range, St. Louis Co., Minnesota, United States 
Formula
FeO(OH) 
Availability
Available
Price
$35.00
Size
5.5 x 3 x 3 cm - Sm Cabinet 

Botryoidal Goethite with nice cross-sections showing crystal habits. Collected in 1960 as the label shows (see prov.)


Goethite

Formula
FeO(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Reniform, Radial 
Cleavage
Perfect, Distinct, None 
Luster
Adamantine - Silky 
Color
brown, reddish brown, yellowish brown, brownish yellow, ocher yellow 
Streak
yellowish brown 
Class
Orthorhombic - Dipyramidal 
Fracture
Hackly 
Hardness
5-5.5 
Mineralpedia
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