( ( ( ( ( Mineral ( Naturally occurring ) ) , ) ( solid ( , ( crystalline structure ) ) ) ) , ) ( ( defined ( ( ( physical and ) chemical ) properties ) ) . ) )
(ROOT (S (NP (NP (NNP Mineral) (NNP Naturally) (NNP occurring)) (, ,) (NP (JJ solid) (, ,) (JJ crystalline) (NN structure)) (, ,)) (VP (VBD defined) (NP (ADJP (NN physical) (CC and) (NN chemical)) (NNS properties))) (. .)))
Mineral Naturally occurring, solid, crystalline structure, defined physical and chemical properties.
(ROOT (S (NP (NP (DT The) (NN majority)) (PP (IN of) (NP (NNS solids)))) (VP (VBP are) (VP (VBG crystalline) (PP (IN in) (NP (NN nature))))) (. .)))