Physical Properties |
|
| Chemical formula | CaTiSiO5 |
| Class | Nesosilicate Isolated tetrahedra |
| Crystal system | Monoclinic |
| Habit | Spheroidal crystals Tabular Massive Lamellar Normally fine grained; occasionally occurs as fine crystals |
| Color | Gray Black Brown Greenish yellow |
| Hardness | 5 to 5.5 |
| Specific gravity | 3.50 |
| Cleavage | Good prismatic {110} Poor (100) |
| Fracture | Uneven |
| Luster | Adamantine |
| Transparency | Transparent to translucent |
| Streak | White |
Optical Properties |
|
| PPL | Very high relief |
| XPL | Very high relief High 5th to low 6th order colors |
| δ | 0.15 |
| after Perkins, 347-348 |
Titanite in Hand Sample
Titanite in Thin Section
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