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Obsidian
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Obsidian - Apache Tears
is not a mineral but volcanic glass formed as an extrusiv igneous rock. Obsidian is a mixture of amorphouse or cryptocrystalline grains of silica minerals formed as a result of quickly cooled lava. Petrograficaly belong the obsidian to the rhyolit-dacit family.
Apache Tears:
During the final eruptive phase, there was an extrusion of viscous lava consisting of practically pure silica. Due to rapid cooling, this lava solidified into volcanic glass - obsidian. Due to chemical and physical processes, most of the obsidian was transformed into perlite, in which the inclusions of the original obsidian were preserved in the form of spherical nodules. The term "Tears of the Apaches" originated after 1870, when the United States Army suppressed the Apaches in the Arizona Territory. Although it is a rock, Apache tears are a popular exhibit in mineralogical collections.
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| Obsidian in Perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MIN6032 Price: 45.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS1074 Price: 10.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS393 Price: 10.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS392 Price: 10.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS440 Price: 10.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS1073 Price: 12.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS439 Price: 10.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS391 Price: 8.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS390 Price: 10.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS389 Price: 10.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS1072 Price: 12.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS388 Price: 8.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS387 Price: 8.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS1026 Price: 15.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS405 Price: 12.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS991 Price: 10.00 EUR
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| Obsidian in perlite Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: MINS4396 Price: 35.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F212_HOR01-07 Price: 25.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-20 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-21 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-01 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-02 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324-HOR01-03 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-04 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-05 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-06 Price: 23.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-07 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-08 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324-HOR01-09 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-10 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-11 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-12 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-13 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-14 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-15 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-16 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-17 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-18 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F324_HOR01-19 Price: 20.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F212_HOR01-01 Price: 25.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F212_HOR01-02 Price: 25.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F212_HOR01-03 Price: 25.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F212_HOR01-04 Price: 25.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F212_HOR01-05 Price: 25.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F212_HOR01-06 Price: 25.00 EUR
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| Perlite with Obsidian Picketpost Mountain area, Superior, Superior Mining District, Pinal County, Arizona, USA
Item-No.: F212_HOR01-08 Price: 25.00 EUR
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Synonyms: |
Bergmahogany, Black Lava Glass, Hyalopsite, Isophyre, Xaga |
Varieties: |
Fire Obsidian, Mahogany Obsidian, rainbow Obsidian, Sheen Obsidian, Snowflake Obsidian |
Classification: |
Igneous rock, volcanic glass, rhyolit-dacit family |
Tenacity: |
Brittle |
Fracture: |
Conchoidal |
Colour: |
Black, grey, green, reddisch, bluish, mahogany, golden, peacock |
Lustre: |
Vitreous |
Transparency: |
Translucent |
Application: |
Gemstone |
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