Translation guide
Quartz is a common mineral. In Japanese, the general term is 石英 (せきえい). For gem-quality varieties, specific names like 水晶 (すいしょう) for clear quartz or アメジスト for amethyst are used.
Referring to quartz as a mineral in scientific, industrial, or general contexts.
The standard term for quartz as a mineral. Used in geology, industry, and everyday contexts.
この石は石英です。
This stone is quartz.
石英は時計に使われます。
Quartz is used in watches.
Referring to transparent, colorless quartz crystals, often used in jewelry or as specimens.
Specifically clear, colorless quartz (rock crystal). Commonly used for jewelry, ornaments, and in spiritual contexts.
水晶のネックレスを買いました。
I bought a quartz crystal necklace.
水晶でできた置物です。
It's an ornament made of quartz crystal.
Referring to specific colored varieties of quartz used as gemstones, such as amethyst or citrine.
Amethyst, the purple variety of quartz. Often used in jewelry.
アメジストの指輪が欲しいです。
I want an amethyst ring.
Citrine, the yellow to orange variety of quartz.
Rose quartz, the pink variety. Often called ローズクォーツ or 紅水晶 (べにすいしょう), but the loanword is more common.
ローズクォーツは恋愛運を上げると言われています。
Rose quartz is said to improve love luck.
Referring to engineered quartz surfaces or quartz as a material in interior design.
Loanword from English, often used for engineered quartz in countertops or design contexts.
キッチンカウンターにクォーツを使いました。
We used quartz for the kitchen counter.
Literally 'artificial quartz', used for engineered stone.
人工石英のカウンターはお手入れが簡単です。
Engineered quartz countertops are easy to maintain.
石英 (せきえい) is the general term for quartz as a mineral. 水晶 (すいしょう) specifically refers to clear, colorless quartz crystals. If you're talking about a pretty crystal, use 水晶. If you're talking about the mineral in a rock or a watch, use 石英.
シトリンは黄色い石英です。
Citrine is yellow quartz.