Titanite is named for the titanium in its chemical makeup. It is a common accessory mineral in igneous rocks such as granites, diorites and syenites and can also be found in some metamorphic rocks. Titanite is also referred to by its older name, Sphene, though this is no longer common.
| CaTiO(SiO4) |
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| Nesosilicate |
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| Monoclinic |
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| 2/m |
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| 5-5.5 |
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| 3.4-3.55 |
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| {110} distinct |
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| Sub-conchoidal |
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| Gray, brown, green, yellow, black |
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| Reddish-white |
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| Resinous, adamantine |
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| Translucent |
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| Massive, lamellar |
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| Notable Localities: |
Kola Peninsula, Russia; St. Gotthard, Switzerland; Vesuvias, Italy; Arendal, Norway; Riverside, California |
| Uses: |
Ore of titanium oxide for paint pigment, minor gemstone |
| Apatite, nepheline, iron ores, pyroxene, amphibole, scapolite, zircon, quartz |
Specimens:
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