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Mixed Minerals

Sunday, 27 December 2020 07:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including aurichalcite, fluorite, microlite group - pyrochlore supergroup, wulfenite, and zircon and more from places like Mina Ojuela, Mapimi, Durango, Mexico, Mont Saint-Hilaire, Rouville Co., Quebec, Canada, Tsumeb mine, Tsumeb, Namibia.

Aurichalcite

with Calcite - #AH54896

$125.00 - Available
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Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: Zn₅(CO₃)₂(OH)₆
Availability: Available
Price: $125.00
Size: 13 x 11 x 5 cm - Cabinet
Tagged: carbonate

Cabinet specimen with large pockets of bluish green sheaf-like crystal bundles in radial sprays to 3mm. Within these pockets are 2-6mm Calcite crystals some of which are waterclear. Some of the Aurichalcite sprays are completely engulfed by clear Calcite to the point at which it terminates atop of the Aurichalcite termination - and it's really cool. One of the photos has a little tiny sprays no more than 0.75mm of I think Hemimorphite.

Aurichalcite

Formula: Zn₅(CO₃)₂(OH)₆
Crystal System: Monoclinic
Crystal Habit: Druse, Encrustations, Acicular
Cleavage: Perfect, None, None
Luster: Pearly
Color: pale green, sky blue, greenish blue
Streak: light blue
Class: Monoclinic - Prismatic
Fracture: Uneven
Hardness: 2

Collection: Arnold G Hampson Collection

Mineralpedia: View Aurichalcite
On Dakota Matrix: Previously Sold Aurichalcite
On Dakota Matrix: Other Available Aurichalcite
WebMineral: View Aurichalcite
Mindat: View Aurichalcite

Fluorite

with Calcite - #AH54903

$60.00 - Available
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Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: CaF₂
Availability: Available
Price: $60.00
Size: 10 x 8 x 5 cm - Cabinet

Very faint purple Fluorite crystals to 4cm on edge with an interesting silky luster from countless parallel overgrowths. On the right side is a group of Calcite crystals with rhombic crystals to 5mm.

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: 4

Collection: Arnold G Hampson Collection

Mineralpedia: View Fluorite
On Dakota Matrix: Previously Sold Fluorite
On Dakota Matrix: Other Available Fluorite
WebMineral: View Fluorite
Mindat: View Fluorite

Microlite Group - Pyrochlore Supergroup

#DC54852

$40.00 - Available
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Locality: Mont Saint-Hilaire, Rouville Co., Quebec, Canada
Formula: A_2-mD₂X_{6-w Z}1-n
Availability: Available
Price: $40.00
Size: 3.5 x 2.5 x 3 cm - Miniature

Dozens of micro (less than 0.25mm) Microlite crystals clinging for life on the Aegerine spray in the photo. Really cool under the scope.

Collection: Don Cooke Collection

On Dakota Matrix: Previously Sold Microlite Group - Pyrochlore Supergroup
On Dakota Matrix: Other Available Microlite Group - Pyrochlore Supergroup
WebMineral: View Microlite Group - Pyrochlore Supergroup
Mindat: View Microlite Group - Pyrochlore Supergroup

Wulfenite

with Mimetite & Calcite - #AH54898

$325.00 - Available
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Locality: Tsumeb mine, Tsumeb, Namibia
Formula: PbMoO₄
Availability: Available
Price: $325.00
Size: 7 x 6.5 x 5 cm - Sm Cabinet

Yellowish brown excellent crystals of tabular Wulfenite with beveled edges. The crystals reach 11mm and are sharp and pristine. The backside of the specimen is covered with snow white Calcite or Dolomite and near the sides bow-ties of light yellow Mimetite are seen. Very nice specimen from Tsumeb by all accounts - large crystals, no damage, clusters of sharp crystals and fair size.