A name given to chiastolite, n.; also to the minerals staurolite, n. and harmotome, n., from the cruciform arrangement of the crystals.
单词 | θ7041 |
释义 | the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > feldspar > harmotome (3) cross-stone1770 A name given to chiastolite, n.; also to the minerals staurolite, n. and harmotome, n., from the cruciform arrangement of the crystals. staurolite1794 = harmotome, n. Obsolete. harmotome1804 A hydrous silicate of aluminium and barium, commonly occurring in cruciform twin crystals of various colours. Also called cross-stone. |
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