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Ulexite
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Ulexite
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| Realgar, Ulexite Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
Item-No.: MINS2110 Price: 7.00 EUR
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| Ulexite Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
Item-No.: MIN4005 Price: 55.00 EUR
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Synonyms: |
Boronatro-calcite, Cotton-ball Borax, Franklandite, Hayesite, Natroborocalcite, Natronboroncalcite, Raphite, Stiberite, TV stone |
Classification: |
Borates |
Chemical formula: |
NaCa[B5O6(OH)6] · 5H2O |
Crystal system: |
Triclinic |
Density (g/cm3): |
1,955 measured and calculated |
Tenacity: |
Brittle |
Cleavage: |
Perfect on {010}, good on {110}, poor on {110} |
Fracture: |
Irregular/uneven |
Hardness (Mohs): |
2,5 |
Colour: |
Colourless, white, grey |
Lustre: |
Vitreous, silky |
Streak: |
White |
Type locality: |
Iquique Province, Tarapacá Region, Chile |
Application: |
One of the main source for boron, chemical industry, gemstone |
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