Khòng-bu̍t
Guā-māu
![](http://upload.wikimedia.org/wikipedia/commons/7/72/Minerals.jpg)
Khòng-bu̍t sī tē-chit chok-iōng chō-chiâⁿ ê thian-jiân hoà-ha̍p-bu̍t. Khòng-bu̍t ū 2 chân ì-hâm, hoà-ha̍k sêng-hūn (chemical composition) kap kiat-chiⁿ kiat-kò͘ (crystal structure). Iú-ki hoà-ha̍p-bu̍t sò͘-siông bô chún chò khòng-bu̍t. Khòng-bu̍t ê hêng ū chheng-pah khoán, ū ko͘ 1 chióng hoà-ha̍k goân-sò͘ cho͘-sêng--ê, mā ū chhan-chhiūⁿ ke-sng-iâm (silicate) hiah ho̍k-cha̍p--ê. Tùi khòng-bu̍t ê chai-bat hō chò khòng-bu̍t-ha̍k (mineralogy).
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