( ( Crystal chemistry ) ( ( is ( ( the study ) ( of ( ( ( ( the principles ) ( of ( chemistry ( behind crystals ) ) ) ) and ) ( ( their use ) ( in ( ( describing ( structure-property relations ) ) ( in solids ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Crystal) (NN chemistry)) (VP (VBZ is) (NP (NP (DT the) (NN study)) (PP (IN of) (NP (NP (NP (DT the) (NNS principles)) (PP (IN of) (NP (NP (NN chemistry)) (PP (IN behind) (NP (NNS crystals)))))) (CC and) (NP (NP (PRP$ their) (NN use)) (PP (IN in) (S (VP (VBG describing) (NP (JJ structure-property) (NNS relations)) (PP (IN in) (NP (NNS solids))))))))))) (. .)))
Crystal chemistry is the study of the principles of chemistry behind crystals and their use in describing structure-property relations in solids.
(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))))))) (. .)))