Definition of metavariscite in English:

metavariscite

Pronunciation /ˌmɛtəˈvarɪsʌɪt/ /ˌmɛtəˈvarɪskʌɪt/

noun

Mineralogy
  • A monoclinic form of hydrated aluminium phosphate, AlPO ₄ ·2H ₂ O, which is dimorphous with the orthorhombic form (variscite), and occurs as minute, pale green, tabular crystals in cavities in massive variscite.

Origin

1920s. From meta- + variscite.