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.
Almandine (Garnet Group)
Item-No.: MINS4841 Price: 22.00 EUR
Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Almandine (Garnet Group)
Item-No.: MINS4807 Price: 19.00 EUR
Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Almandine (Garnet Group)
Item-No.: MINS4815 Price: 18.00 EUR
Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Almandine (Garnet Group)
Item-No.: MINS4842 Price: 15.00 EUR
Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Almandine (Garnet Group)
Item-No.: MINS4855 Price: 18.00 EUR
Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Almandine (Garnet Group)
Item-No.: MINS4869 Price: 17.00 EUR
Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
Almandine (Garnet Group)
Item-No.: MINS4879 Price: 22.00 EUR
Granatová skála (Weissenstein), Petrov nad Desnou, Šumperk, Olomouc Region, Czech Republic
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 |
Application: | as gemstone and abrasive |