noun
- a group of silicate minerals with chain-like crystal structures similar to pyroxenes but with different chemical compositions
Usage: geology; mineralogy
Examples
- The geologist identified several pyroxenoid minerals in the metamorphic rock sample.
- Wollastonite is a common pyroxenoid found in contact metamorphic zones.
- Pyroxenoid minerals differ from pyroxenes in their silicate chain arrangements.
- The laboratory analysis revealed the presence of pyroxenoid crystals in the specimen.
- Students learned to distinguish between pyroxene and pyroxenoid mineral groups.
- The pyroxenoid structure contains single chains of silicate tetrahedra.