A crystal can be ordered.Logical formLearned from31 sentences. Crystals can be rare.Logical formLearned from31 sentences. A (crystal system) can be trigonal.Logical formLearned from30 sentences. Crystals may be grown.Logical formLearned from30 sentences. Crystals can be visible.Logical formLearned from30 sentences. A hole can be in a (crystal flower bead).Logical formLearned from30 sentences. Oervres may serve in crystal.Logical formLearned from30 sentences. (Liquid crystal televisions) can be bright.Logical formLearned from30 sentences. A person may need a (crystal ball).Logical formLearned from30 sentences. Crystals can be translucent.Logical formLearned from30 sentences. A (crystal system) can be cubic.Logical formLearned from29 sentences. Crystals can be constituted-of-or-filled-with proteins.Logical formLearned from29 sentences. A crystal may pertain-to persons.Logical formLearned from29 sentences. A (crystal structure) may pertain-to a complex.Logical formLearned from29 sentences. A symmetry may pertain-to a crystal.Logical formLearned from29 sentences.