MARGIE
PAOLO
RV
SUZZETTE
brebeuf gargoyles
explosive
toxic
not for children under 3 years of age
layout design, coding, photo-editing,
by ice angel
| Ruby | |
|---|---|
 Ruby crystal before faceting, length 0.8 inches (2 cm) | |
| General | |
| Category | Mineral variety |
| Chemical formula | aluminium oxide with chromium, Al2O3::Cr |
| Identification | |
| Color | Red, may be brownish or purplish |
| Crystal habit | Varies with locality. Terminated tabular hexagonal prisms. |
| Crystal system | Trigonal |
| Cleavage | No true cleavage |
| Fracture | Uneven or conchoidal |
| Mohs Scale hardness | 9.0 |
| Luster | Vitreous |
| Refractive index | ~1.762-1.770 |
| Pleochroism | Orangy Red, Purplish Red |
| Ultraviolet fluorescence | red under longwave |
| Streak | white |
| Specific gravity | 4.0 |
| Melting point | 2050°C |
| Fusibility | perfectly |
| Solubility | none |
| Diaphaneity RALPH GIRON | transparent |
the beauty exposed ;
