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Almandine (Garnet Group)
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Almandine (Garnet Group),
named in 1546 by Georgius Agricola for Alabanda in Turkey, an ancient gem cutting center, presumably where almandine was fashioned into gemstones. Almandine the most common garnet creates mixed crystals with Spessatine, Pyrope and Grossular. Characteristic mineral for metamorphic and pegmatitic rocs.
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| Almandine (Garnet Group) Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Item-No.: MINS4841 Price: 22.00 EUR
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| Almandine (Garnet Group) Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Item-No.: MINS4807 Price: 19.00 EUR
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| Almandine (Garnet Group) Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Item-No.: MINS4815 Price: 18.00 EUR
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| Almandine (Garnet Group) Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Item-No.: MINS4842 Price: 15.00 EUR
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| Almandine (Garnet Group) Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Item-No.: MINS4855 Price: 18.00 EUR
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| Almandine (Garnet Group) Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Item-No.: MINS4869 Price: 17.00 EUR
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| Almandine (Garnet Group) Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Item-No.: MINS4879 Price: 22.00 EUR
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Synonyms: |
Ageleide Ruby, Alabandine Ruby, Alamandine, Almandine Garnet, Almandite, Oriental Garnet |
Classification: |
Silicates, Nesosilicates, Garnet Group |
Chemical formula: |
Fe2+3Al2(SiO4)3 |
Crystal system: |
Isometric |
Density (g/cm3): |
4.318 measured, 4.313 calculated |
Tenacity: |
Brittle |
Cleavage: |
None Observed |
Fracture: |
Sub-Conchoidal |
Hardness (Mohs): |
6.5 - 7.5 |
Colour: |
Deep red, brownish red, red-violet, black |
Lustre: |
Vitreous, resinous |
Streak: |
White |
Transparency: |
Transparent, translucent |
Type Locality: |
Alabanda, Aydin Province, Aegean Region, Turkey
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Application: |
as gemstone and abrasive |
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