California, USA
8.89 carats
© Rarestone.com
General Information | ||||||||||||||||||
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Chemical Formula |
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Physical Properties of Ulexite | ||||||||||||||||||
Mohs Hardness | 2 to 2.5Gemstones of the world (2001) , More from other references | |||||||||||||||||
Specific Gravity | 1.65 to 1.99Blue Chart Gem Identification (2010) , More from other references | |||||||||||||||||
Tenacity | BrittleHandbook of mineralogy (2001) , | |||||||||||||||||
Cleavage Quality | PerfectGemstones of the world (2001) , More from other references | |||||||||||||||||
Fracture | UnevenHandbook of mineralogy (2001) , Uneven across fiber groups | |||||||||||||||||
Refractive Index | 1.491 to 1.520Blue Chart Gem Identification (2010) , More from other references | |||||||||||||||||
Optical Character | Fatal error: Uncaught mysqli_sql_exception: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb3_general_ci,COERCIBLE) for operation '=' in /var/www/gemdat/gemshow_class.php:690 Stack trace: #0 /var/www/gemdat/gemshow_class.php(690): mysqli->query() #1 /var/www/gemdat/gemshow_class.php(505): gemshow_class->showdata() #2 /var/www/gemdat/gemshow_class.php(1466): gemshow_class->showblock() #3 /var/www/gemdat/gshow.php(151): gemshow_class->do_optical() #4 {main} thrown in /var/www/gemdat/gemshow_class.php on line 690 |