葡萄狀集合體 的英文怎麼說
中文拼音 [bèitáozhuàngjígětǐ]
葡萄狀集合體
英文
botryoidal aggregate-
In australia, the aborigines believe the opal has a spiritual meaning. the wangkumara people have a legend which tells how their people gained fire from opal stones, with the assistance of a muda - a creator who switches from human form to pelican
歐泊在礦物學中屬蛋白石類,是具有變彩效應的寶石蛋白石,是一種含水的非晶質的二氧化硅。內部具球粒結構,集合體多呈葡萄狀、鐘乳狀。
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