MARGIE
PAOLO
RV
SUZZETTE
brebeuf gargoyles
explosive
toxic
not for children under 3 years of age
layout design, coding, photo-editing,
by ice angel
| Sapphire | |
|---|---|
 | |
| General | |
| Category | Mineral |
| Chemical formula | aluminium oxide, Al2O3 |
| Identification | |
| Color | Every color including parti-color, except red (which is ruby) |
| Crystal habit | massive and granular |
| Crystal system | Trigonal |
| Cleavage | None |
| Fracture | Conchoidal, splintery |
| Mohs Scale hardness | 9.0 |
| Luster | Vitreous |
| Refractive index | 1.762-1.778 |
| Pleochroism | Strong |
| Streak | White |
| Specific gravity | 3.95-4.03 |
| Fusibility | infusible |
| Solubility RALPH GIRON | insoluble |
the beauty exposed ;
