( ( ( Mineral Naturally ) ( ( occurring ( inorganic solid ) ) ( with ( a ( definite ( chemical ( composition ( and ( crystal structure ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Mineral) (ADVP (RB Naturally)) (S (VP (VBG occurring) (ADVP (ADJP (JJ inorganic) (JJ solid))) (PP (IN with) (NP (DT a) (JJ definite) (NN chemical) (NN composition) (CC and) (NN crystal) (NN structure)))))) (. .)))
Mineral Naturally occurring inorganic solid with a definite chemical composition and crystal structure.
(ROOT (S (NP (DT A) (NN mineral)) (VP (VBZ is) (VP (VBN described) (PP (IN as) (NP (NP (DT a) (JJ solid) (JJ natural) (NN material)) (PP (IN with) (NP (DT a) (NN crystal) (NN structure))))))) (. .)))