Mapimi, Mexico

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Adamite

var. Manganoan Adamite - #PD31623

$45.00 - Sold
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Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: Zn₂AsO₄(OH)
Availability: Sold
Size: 6.5 x 4.5 x 3 cm - Sm Cabinet
Tagged: arsenate

This is a good Adamite specimen if you are looking for well-defined crystals. Most of the crystals are free-standing, vertically up so as to completely enable the viewer to see the rectangular - orthorhombic cross-section and the rectangular, chisel-like terminations. The crystals are about 6mm in length.

Adamite

Formula: Zn₂AsO₄(OH)
Crystal System: Orthorhombic
Crystal Habit: Tabular, Druse, Encrustations
Cleavage: One Good
Luster: Vitreous - Resinous
Color: yellow, green, violet, pink, yellowish green
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Brittle
Hardness: 3.5

Collection: Phillips Collection

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

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Adamite

(cobaltoan) - #PD31619

$45.00 - Sold
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Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: Zn₂AsO₄(OH)
Availability: Sold
Size: 6 x 6 x 4 cm - Sm Cabinet
Tagged: arsenate

Light purple crystals to 1cm in large vug lined with Goethite.

Adamite

Formula: Zn₂AsO₄(OH)
Crystal System: Orthorhombic
Crystal Habit: Tabular, Druse, Encrustations
Cleavage: One Good
Luster: Vitreous - Resinous
Color: yellow, green, violet, pink, yellowish green
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Brittle
Hardness: 3.5

Collection: Phillips Collection

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

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Anglesite

#PD31624

$95.00 - Sold
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Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: PbSO₄
Availability: Sold
Size: 5 x 4 x 3.5 cm - Miniature

Anglesite crystals such as these from Mapimi are rare. These crystals reach 1.8cm. Each crystal is somewhat crude. The Ojuela mentioned in the MR Mexico issue reach 5cm. Comes with a Bideaux Minerals label.

Anglesite

Formula: PbSO₄
Crystal System: Orthorhombic
Crystal Habit: Granular, Stalactitic
Cleavage: Good, Distinct, None
Luster: Adamantine
Color: blue, colorless, green, gray, yellow
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 2.5-3

Collection: Phillips Collection

Mineralpedia: View Anglesite
On Dakota Matrix: Previously Sold Anglesite
On Dakota Matrix: Other Available Anglesite
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Aurichalcite

with Calcite - #PD31629

$40.00 - Sold
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Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: Zn₅(CO₃)₂(OH)₆
Availability: Sold
Size: 7 x 4.5 x 3 cm - Sm Cabinet
Tagged: carbonate

Light aqua-blue compact crystals of Aurichalcite with miner blue Smithsonite.

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: Phillips Collection

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

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Austinite

(cuprian) on Limonite - #PD31622

$75.00 - Sold
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Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: CaZnAsO₄(OH)
Availability: Sold
Size: 8.5 x 7 x 6 cm - Sm Cabinet
Tagged: arsenate

Larger specimen with coating of cuprian Austinite. This specimen may require anaylsis as distinguishing Conichalce from Austinite is difficult visually on this scale. Although, near the outer edges of the specimen the morphology of the light green, glassy crystals to 1mm are cuprian Austinite. These crystals are slender and prismatic with sharp, pointed terminations. This area phases into the sugary, darker green area and may phase into Conichalcite.