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Glite Dictionary
amphibole group

amphibole group

9.7
A group of minerals in rocks with similar crystal shapes that contain metals like iron and calcium
  • noun
  • /æmˈfɪboʊl ɡruːp/
  • Specialized
: grupo de anfiboles
  • Geologists identified hornblende as a member of the amphibole group.

Examples

  • The amphibole group includes minerals commonly found in metamorphic rocks.

  • The amphibole group includes minerals like hornblende.

  • Amphiboles in the amphibole group are important indicators of rock formation conditions.

  • Many geologists study the amphibole groups in various rock formations.

  • Geologists identified hornblende as a member of the amphibole group.

  • The amphibole group includes minerals commonly found in metamorphic rocks.

  • Amphiboles in the amphibole group are important indicators of rock formation conditions.

Synonyms

amphibole
vsamphibole group
  • Specialized
1 9.9

A dark mineral that forms in rocks from cooling lava or from heat and pressure

focuses on shared crystal structure and a wider set of combining elements

Surface Forms

amphibole group singular
amphibole groups plural

Morphology

amphibole + group

The term is compositionally built: 'amphibole' names a type of mineral and 'group' denotes a set or collection, so 'amphibole group' straightforwardly means a group of amphibole minerals. Although the phrase is technical, the semantic relation is transparent and follows a common noun + group pattern that a learner who knows both words can infer.

Etymology

Amphibole group takes its name from Greek parts: amphi- meaning 'both' or 'double' and -bole meaning 'to throw'. One popular idea is that this name points to the minerals' 'double chain' of silica, so it helps you remember that the amphibole group includes minerals with that twin chain structure.