A colourless variety of opal, occurring in globular concretions.
单词 | θ7025 |
释义 | the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > quartz > amorphous quartz or opal > hyalite (2) hyalite1794 A colourless variety of opal, occurring in globular concretions. Müller's glass1794 = hyalite, n. |
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