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Mixed Minerals

Sunday, 18 November 2018 12:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including calcite, fluorarrojadite-(bana), graphite, malachite, and manganvesuvianite and more from places like Elk Creek, Meade Co., South Dakota, United States, West Fork mine, Reynolds Co., Missouri, United States, Elisabeth mine, Gemerská Poloma, Rožňava Co., Košice, Slovakia, Sabaragamuwa, Sri Lanka, Mindingi mine, Shaba, Democratic Republic of Congo, and Wessels mine, Hotazel, Kalahari Mn fields, Northern Cape Province, South Africa.

Calcite

#49778
Locality
Elk Creek, Meade Co., South Dakota, United States 
Formula
CaCO3 
Availability
Sold
Size
6.5 x 6 x 4.5 cm - Sm Cabinet 
Tagged
carbonate  

Yes, this is the matrix that you usually see the Baryte on from the famous Elk Creek area. Even without the Barite, this is a fine, well crystallized, specimen mounted with putty on black arcrylic base. 


Calcite

Formula
CaCO3 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Stalactitic, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
colorless, white, pink, yellow, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
Mineralpedia
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Calcite

with Galena - #49779
Locality
West Fork mine, Reynolds Co., Missouri, United States 
Formula
CaCO3 
Availability
Sold
Size
7.5 x 5 x 4.5 cm - Sm Cabinet 
Tagged
carbonate  

This is an exceptional doubly terminated honey colored crystal of Calcite. No scratches, no damage, sits perfect and very showy.


Calcite

Formula
CaCO3 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Stalactitic, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
colorless, white, pink, yellow, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
Mineralpedia
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Previously Sold Calcite
On Dakota Matrix
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SOLD
Fluorarrojadite-(BaNa) - 48388
Fluorarrojadite-(BaNa) - 48388

Fluorarrojadite-(Bana)

#48388
Locality
Elisabeth mine, Gemerská Poloma, Rožňava Co., Košice, Slovakia 
Formula
BaNa2(CaNa2)Fe2+13Al(PO4)11(PO3OH)F2 
Availability
Sold
Size
3.5 x 2 x 2 cm - Miniature 
Special Info
Type Locality 

Greenish crystalline area in matrix. Fluorarrojadite-(BaNa) is a relatively new IMA mineral with only two localities.


Fluorarrojadite-(Bana)

Formula
BaNa2(CaNa2)Fe2+13Al(PO4)11(PO3OH)F2 
Crystal System
Monoclinic 
Class
Monoclinic - Domatic 
Hardness
Special Info
Type Locality

Graphite

#RW49988
Locality
Sabaragamuwa, Sri Lanka 
Formula
Availability
Sold
Size
8 x 5 x 4 cm - Sm Cabinet 
Tagged
native element  

Large round, silvery light weight mass of Graphite.


Graphite

Formula
Crystal System
Hexagonal 
Crystal Habit
Foliated, Tabular, Earthy 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
iron black, dark gray, black, steel gray 
Streak
black 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Sectile 
Hardness
1.5-2 
Collection
Robert J. Waidler Collection
Mineralpedia
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Malachite

#RW49948
Locality
Mindingi mine, Shaba, Democratic Republic of Congo 
Formula
Cu2CO3(OH)2 
Availability
Available
Price
$195.00
Size
14 x 9 x 6 cm - Cabinet 
Tagged
carbonate , copper  

Large cabinet specimen of smooth botryoidal Malachite. 


Malachite

Formula
Cu2CO3(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Botryoidal, Stalactitic, Massive - Fibrous 
Cleavage
Perfect, Fair, None 
Luster
Vitreous - Silky 
Color
green, dark green, blackish green 
Streak
light green 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Robert J. Waidler Collection
Mineralpedia
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Previously Sold Malachite
On Dakota Matrix
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Mindat
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Manganvesuvianite

with Hausmannite - #RW49947
Locality
Wessels mine, Hotazel, Kalahari Mn fields, Northern Cape Province, South Africa 
Formula
Ca19Mn3+Al10Mg2(SiO4)10(Si2O7)4O(OH)9 
Availability
Sold
Size
13 x 8 x 7 cm - Cabinet 

A large, heavy specimen of octahedral Hausmannite crystals to 2.5cm and deep red prismatic crystals to 7mm of Manganvesuvianite. Some associated faint bluish white Barite.

May cost extra to ship overseas.


Manganvesuvianite

Formula
Ca19Mn3+Al10Mg2(SiO4)10(Si2O7)4O(OH)9 
Crystal System
Tetragonal 
Crystal Habit
Prismatic 
Luster
Vitreous (Glassy) 
Color
deep maroon red 
Streak
white 
Class
Tetragonal - Dipyramidal 
Fracture
Brittle - Subconchoidal 
Hardness
6-7 
Collection
Robert J. Waidler Collection

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