| General Information |
|---|
| Chemical Formula | Michael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
|---|
| Physical Properties of Shortite |
|---|
| Mohs Hardness | 3Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
|---|
| Specific Gravity | 2.61Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
|---|
| Tenacity | BrittleArthur Thomas, Gemstones (2009) |
|---|
| Cleavage Quality | DistinctUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
|---|
| Fracture | ConchoidalArthur Thomas, Gemstones (2009) |
|---|
| Refractive Index | 1.530 to 1.569Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
|---|
| Optical Character | Biaxial/-Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
|---|
| Birefringence |
| ( ! ) Fatal error: Uncaught mysqli_sql_exception: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb3_uca1400_ai_ci,COERCIBLE) for operation '=' in /big/www/gemdat/gemshow_class.php on line 690 |
|---|
| ( ! ) mysqli_sql_exception: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb3_uca1400_ai_ci,COERCIBLE) for operation '=' in /big/www/gemdat/gemshow_class.php on line 690 |
|---|
| Call Stack |
|---|
| # | Time | Memory | Function | Location |
|---|
| 1 | 0.0011 | 359200 | {main}( ) | .../gshow.php:0 |
| 2 | 0.1345 | 802136 | gemshow_class->do_optical( ) | .../gshow.php:151 |
| 3 | 0.1454 | 818680 | gemshow_class->showblock( $txt = 'BIREF-MIN' ) | .../gemshow_class.php:1467 |
| 4 | 0.1455 | 835816 | gemshow_class->showdata( $dataname = 'BIREF-MIN' ) | .../gemshow_class.php:505 |
| 5 | 0.1456 | 836288 | query( $query = 'select * from mineralproperties,mineralpropertytypes where \r\n\t\t\t\t\tmp_mpt_id=mpt_id and mpt_code=\'BIREF-MAX\' and \r\n\t\t\t\t\tmp_min_id=\'3640\' and mp_deleted=0 and\r\n\t\t\t\t\tmp_reference=\'Gems, Sixth Edition\' and\r\n\t\t\t\t\tmp_referenceauthor=\'Michael O’Donoghue\' and\r\n\t\t\t\t\tmp_referenceyear=\'2006\' and\r\n\t\t\t\t\tmp_referencepublisher=\'Elsevier\' and\r\n\t\t\t\t\tmp_referenceperiodical=\'\'' ) | .../gemshow_class.php:690 |
|
|---|
