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Websterite
A rock classification type
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A pyroxenite (ultramafic rock) with >5% clinopyroxene and >5% orthopyroxene. It usually consists of roughly equal proportions of orthopyroxene and clinopyroxene.
Not to be confused with the mineral "websterite" (= aluminite).
Not to be confused with the mineral "websterite" (= aluminite).
Unique Identifiers
Mindat ID:
4555
Long-form identifier:
mindat:1:1:4555:7
Similar Names
Classification of Websterite
Modal classification of ultramafic rocks (after Streckeisen, 1973)
Sub-divisions of Websterite
- Websterite
Mineralogy of Websterite
Essential minerals - these are minerals that are required within the classification of this rock:
| Pyroxene > Clinopyroxene | A petrological term for Clinopyroxene Subgroup. |
| Pyroxene > Orthopyroxene | A petrological term for Orthopyroxene Subgroup. |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
| Olivine | Commonly used as a synonym for a member of the Fayalite-Forsterite Series, but more generally and properly ... |
Pronunciation of Websterite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Internet Links for Websterite
mindat.org URL:
https://www.mindat.org/min-4555.html
Please feel free to link to this page.
Please feel free to link to this page.
References for Websterite
Reference List:
