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Anatase (TiO2) NS1815.01 |
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| Crystal system | tetragonal (one four fold axis with 3 crystallographic axes that make right angles to each other and two axes have equal lengths). |
| Habit | dipyramid crystals or rarely pseudo-octahedral; it can also be tabular. |
| Cleavage | perfect. |
| Fracture | subconchoidal. |
| Hardness | 5.5-6 |
| Specific Gravity | 3.9 |
| Color | black, honey yellow or sapphire blue. |
| Luster | transparent to nearly opaque with an adamantine or metallic/adamantine luster. |
| Streak | colorless, white or pale yellow. |
| Distinguishing features | mainly found as an accessory mineral in igneous or metamorphic rocks; its habit and adamantine luster are typical. |
| Uses | used as an ore for titanium. |
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