forsterite
noun
forsterite is a noun meaning “A white variety of olivine that is mostly magnesium silicate, Mg₂SiO₄” (English Wiktionary, September 2026). It is spelled F-O-R-S-T-E-R-I-T-E, and it appears about once in every 66 million words in written English (wordfreq, 2021 data). The plural of forsterite is forsterites.
What does forsterite mean?
noun
- 1
A white variety of olivine that is mostly magnesium silicate, Mg₂SiO₄.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of forsterite
- forsterites plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is forsterite?
Forsterite appears about once in every 66 million words in written English, the 255,765th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Forsterite in Spanish, French, German and Portuguese
In the sense a magnesium-rich olivine mineral:
| Language | Words |
|---|---|
| French | forstérite |
| German | Forsterit |
| Spanish | forsterita |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does forsterite come from?
From Forster + -ite, named for German mineral dealer Adolarius Jacob Forster.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).