Albite
Sri Lanka
1.59 carats
© Giovanni Scapin 2015
The name Albite derives from Latin - albus, because its colour is usually pure white.
| General Information | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| A variety or type of: | Feldspar | |||||||||
| Chemical Formula |
| |||||||||
| Albite Treatments | ||||||||||
| Irradiation may turn colourless material blue if lead and water impurities are present (see amazonite). | ||||||||||
| Physical Properties of Albite | ||||||||||
| Mohs Hardness | 6 to 6.5, Blue Chart Gem Identification (2010) More from other references | |||||||||
| Specific Gravity | 2.60 to 2.65, Blue Chart Gem Identification (2010) More from other references | |||||||||
| Tenacity | Brittle, Gems, Sixth Edition (2006) | |||||||||
| Cleavage Quality | Perfect, Gems, Sixth Edition (2006) Perfect to excellent | |||||||||
| Fracture | Uneven,Conchoidal, Gems, Sixth Edition (2006) | |||||||||
| Refractive Index | 1.525 to 1.542, Blue Chart Gem Identification (2010) More from other references | |||||||||
| Optical Character | Biaxial/+, Blue Chart Gem Identification (2010) | |||||||||
| Birefringence | 0.008 to 0.011, Blue Chart Gem Identification (2010) More from other references | |||||||||
| Dispersion | 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(1469): 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 | |||||||||