( It ( ( is ( found ( in ( ( ( ( its ( natural form ) ) ( as ( a ( white ( crystalline solid ) ) ) ) ) , ) ( dissolved ( in seawater ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (VP (VBN found) (PP (IN in) (NP (NP (PRP$ its) (JJ natural) (NN form)) (PP (IN as) (NP (DT a) (JJ white) (JJ crystalline) (JJ solid))) (, ,) (VP (VBN dissolved) (PP (IN in) (NP (NN seawater)))))))) (. .)))
It is found in its natural form as a white crystalline solid, dissolved in seawater.
(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))))) (. .)))