Titin Rutilated Quartz

"Titin" (タイチン) is a Japanese retail name for natural quartz with thick golden rutile needles, and Chinese-language markets call quartz with plate-like rutile inclusions 鈦晶 ("titanium crystal"). Both are appearance-based trade grades of golden rutilated quartz, not separate minerals. The Japanese retailer Pascle states that there is no definition of "Titin" and that a gemmological test cannot distinguish it.

Products made with this material

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Category
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Color

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Bead diameter (mm)
Bead diameter (mm)

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Price (USD)
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Rutilated Quartz (gold, Titin)
Rutilated Quartz (gold, Titin)

12mm

$9.99 Available

Full material guide
Material facts

What the material is, where it comes from or how it is made, identification and care, from the cited sources.

Properties

Material type Natural mineral: quartz with mineral inclusions (not a separate species)
Inclusions Rutile (TiO₂) as thick or plate-like golden crystals
Grading basis Trade appearance only (needle thickness and colour); no standard definition
Host mineral Quartz, SiO₂ (usually colourless rock crystal)
Mohs hardness (quartz host) 7
Specific gravity (quartz host) 2.65
Refractive index (quartz host) 1.544 to 1.553

Origins & sources

Rutilated quartz is found mainly in Brazil, and the retailer Pascle gives Brazil as the source of its "Titin" material. The rutile crystals grew first and were enclosed by the growing quartz.

Identification

A Chinese study reports that the market calls quartz with golden or reddish-brown needle- or hair-like rutile 金髮晶 and quartz with plate-like rutile 鈦晶. Because the grade rests on appearance, the retailer Pascle advises buyers to check the colour and thickness of the needles themselves rather than rely on the name.

Care

The host is quartz, with a Mohs hardness of 7. JCK advises washing off dust before wiping the stone with a cloth, because dust of similar hardness can leave fine scratches that gradually dull the polish. The International Gem Society lists no special care instructions and no heat sensitivity for quartz.

History & culture

History

Not collected yet

Cultural meanings

The Japanese retailer Pascle says rutilated quartz has long been said to draw in money and is popular as a charm for wealth and business; it also associates the stone with courage and a positive outlook. These are retail beliefs, not verified properties.

Traditional beliefs

Not collected yet

Sources

Collected Oct 23, 2026