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词汇 apophyllite
释义

Definition of apophyllite in English:

apophyllite

noun əˈpɒfɪlʌɪtəˈpäfəˌlīt
mass noun
  • A mineral occurring typically as white glassy prisms, usually as a secondary mineral in volcanic rocks. It is a hydrated silicate and fluoride of calcium and potassium.

    鱼眼石

    Example sentencesExamples
    • On one trip he opened a huge pocket of large analcime, natrolite, and apophyllite crystals at the Big Rock quarry and shared them with everyone.
    • The name comes from the Greek words apo (from) and fyllo (leaf) because apophyllite exfoliates (spreads or extends as if opening out leaves) when burned.
    • A few specimens of apophyllite were found during the sinking of the Palmer shaft which show rosette-shaped groups and platy single crystals, some of which are half an inch across.
    • Apophyllite, whose name roughly means "to leaf apart" in Greek, is a mineral classic.
    • The nonzeolites apophyllite, calcite, and quartz commonly occur at many localities.
    • This calcite typically overgrows quartz and crystallizes before heulandite, stilbite, and apophyllite.
    • How about apatite, apophyllite, axinite, chlorite, hypersthene, scapolite, serpentine, tantalite, and wolframite?
    • Most of the cavities are filled or lined with crystalline formations of various zeolites, such as stilbite, scolecite, and heulandite, plus calcite and apophyllite; these minerals typically occur in combination with each other.
    • Although very beautiful, most Indian apophyllite is colorless.
    • Apophyllite is seldom seen except in comprehensive collections.
    • Good specimens of sperrylite with apophyllite, prehnite, thaumasite, and calcite are reported.
    • Here, spectacularly large groups of scolecite, heulandite, apophyllite, and associated minerals occurred in cavities in flood basalt.
    • Apophyllite forms from low temperature hydrothermal fluids.
    • True, but names such as apatite, apophyllite, chlorite, serpentine, and tantalite are very common names that appear frequently in the world of a beginning collector, so their absence from references can only lead to frustration.

Origin

Early 19th century: from apo- + Greek phullon 'leaf' + -ite1.

Definition of apophyllite in US English:

apophyllite

nounəˈpäfəˌlīt
  • A mineral occurring typically as white glassy prisms, usually as a secondary mineral in volcanic rocks. It is a hydrated silicate and fluoride of calcium and potassium.

    鱼眼石

    Example sentencesExamples
    • The name comes from the Greek words apo (from) and fyllo (leaf) because apophyllite exfoliates (spreads or extends as if opening out leaves) when burned.
    • On one trip he opened a huge pocket of large analcime, natrolite, and apophyllite crystals at the Big Rock quarry and shared them with everyone.
    • Here, spectacularly large groups of scolecite, heulandite, apophyllite, and associated minerals occurred in cavities in flood basalt.
    • Although very beautiful, most Indian apophyllite is colorless.
    • How about apatite, apophyllite, axinite, chlorite, hypersthene, scapolite, serpentine, tantalite, and wolframite?
    • This calcite typically overgrows quartz and crystallizes before heulandite, stilbite, and apophyllite.
    • Apophyllite forms from low temperature hydrothermal fluids.
    • True, but names such as apatite, apophyllite, chlorite, serpentine, and tantalite are very common names that appear frequently in the world of a beginning collector, so their absence from references can only lead to frustration.
    • Apophyllite is seldom seen except in comprehensive collections.
    • The nonzeolites apophyllite, calcite, and quartz commonly occur at many localities.
    • Good specimens of sperrylite with apophyllite, prehnite, thaumasite, and calcite are reported.
    • Apophyllite, whose name roughly means "to leaf apart" in Greek, is a mineral classic.
    • Most of the cavities are filled or lined with crystalline formations of various zeolites, such as stilbite, scolecite, and heulandite, plus calcite and apophyllite; these minerals typically occur in combination with each other.
    • A few specimens of apophyllite were found during the sinking of the Palmer shaft which show rosette-shaped groups and platy single crystals, some of which are half an inch across.

Origin

Early 19th century: from apo- + Greek phullon ‘leaf’ + -ite.

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