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Titanite
Titanite is nesosilicates, CaTiSiO5. In the hand, it rates 5 to 5.5 on the Mohs scale, and it runs yellow-green and chartreuse. Flattened wedge crystals, the old name 'sphene' means wedge, in zingy yellow-greens with diamond-grade flash; faceted stones throw fire that out-sparkles the gems around them.
The geology.
Titanite carries the formula CaTiSiO5. It belongs to the monoclinic system. The trade files it under nesosilicates.
It sits at 5 to 5.5 on the Mohs scale. The surface reads adamantine to resinous. Light behaviour is transparent to translucent. Specific gravity runs 3.48 to 3.60. The streak is white. It breaks with distinct cleavage; conchoidal fracture.
Flattened wedge crystals, the old name 'sphene' means wedge, in zingy yellow-greens with diamond-grade flash; faceted stones throw fire that out-sparkles the gems around them.
Common cuts are flattened wedge-shaped crystals, twinned 'envelope' crystals or faceted stones.
The origins.
Accessory in granites and metamorphic rocks, gem crystals from Capelinha (Brazil), Pakistan, Madagascar, and Alpine clefts of Austria/Switzerland.
On value, the database notes: collector gem; clean fiery stones over a few carats climb fast.
Traditional associations.
In energy work traditions, titanite is associated with mental brilliance and rapid learning.
Included for completeness. Tradition is worth knowing about, and it is worth keeping separate from the mineralogy.
Spotting the real thing.
Flattened wedge crystals, the old name 'sphene' means wedge, in zingy yellow-greens with diamond-grade flash; faceted stones throw fire that out-sparkles the gems around them.
Rarely faked, but peridot and green glass get labeled 'sphene', real titanite's fire and doubled back facets are checkable with a loupe.
| Looks like | How to tell them apart |
|---|---|
| Peridot | Peridot is harder, evenly olive, and lacks the rainbow fire |
| Chrysoberyl | Much harder (8.5) with restrained dispersion |
| Epidote | Epidote runs pistachio-dark in elongated prisms without adamantine flash |
At-home tests.
These checks cost nothing. Daylight, a 10x loupe and a little patience are the whole kit for titanite.
| Test | What you should see |
|---|---|
| By eye | Wedge/envelope crystal form is signature |
| By eye | Dispersion above diamond's, visible fire even in rough cleavage chips |
| Soft for a gem (5 to 5.5) | facet edges on worn stones show abrasion |
Stop short of anything that leaves a mark. A gemologist can answer the rest without damaging the stone.
Care & handling.
At 5 to 5.5 on the Mohs scale it handles careful wear but scratches against quartz and dust. Store it separately and take rings off before rough work.
It breaks with distinct cleavage; conchoidal fracture, which is worth knowing before you set it or drop it.
Skip the ultrasonic. Lukewarm water, mild soap and a soft cloth handle routine cleaning without risk.
A deeper look.
Extended detail on composition, sourcing, authentication and market value.
The physical record
The formula on record is CaTiSiO5. Crystal system: Monoclinic. Specific gravity: 3.48 to 3.60. Streak: White. Cleavage and fracture: Distinct cleavage; conchoidal fracture.
How it reaches the market
Accessory in granites and metamorphic rocks, gem crystals from Capelinha (Brazil), Pakistan, Madagascar, and Alpine clefts of Austria/Switzerland.
What it gets confused with
Peridot: Peridot is harder, evenly olive, and lacks the rainbow fire. Chrysoberyl: Much harder (8.5) with restrained dispersion. Epidote: Epidote runs pistachio-dark in elongated prisms without adamantine flash.
What it is worth
Collector gem; clean fiery stones over a few carats climb fast.
Where buyers get caught
Rarely faked, but peridot and green glass get labeled 'sphene', real titanite's fire and doubled back facets are checkable with a loupe.
One more thing
Titanite's optical dispersion (0.051) beats diamond's (0.044), so a well-cut sphene literally shows more rainbow fire than a diamond, it just can't take the daily abuse a ring demands.
An education-first guide.
We do not carry titanite. This page exists because the question comes up and the honest answer is worth writing down, whether or not there is anything here to sell you.
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