Translation guide
Sphene is a rare gemstone, also known as titanite. In Japanese, it is usually referred to by its mineral name チタナイト or the gem name スフェーン.
Referring to the gemstone or mineral sphene/titanite in general.
The standard mineralogical term for titanite, commonly used in scientific and gemological contexts.
This gemstone is sphene.
The gemological term for sphene, often used in jewelry contexts. Less common than チタナイト.
A rare Japanese name for titanite, literally 'wedge stone', referring to its crystal shape. Mostly found in older or very technical literature.
スフェーンは高い分散が特徴です。
Sphene is characterized by high dispersion.
くさび石はチタンの鉱石です。
Sphene is an ore of titanium.