Crystals can be constituted-of-or-filled-with (water ice).Logical formLearned from10 sentences. A crystal can be isotropic.Logical formLearned from10 sentences. Crystals may be oriented.Logical formLearned from10 sentences. A crystal may pertain-to a company.Logical formLearned from10 sentences. A crystal may form.Logical formLearned from10 sentences. A (space group) may pertain-to a crystal.Logical formLearned from10 sentences. Crystals may be used.Logical formLearned from10 sentences. Crystals can be structures.Logical formLearned from10 sentences. (Liquid crystals) can be columnar.Logical formLearned from10 sentences. (Ice crystals) can be microscopic.Logical formLearned from10 sentences. Red crystals can be dark.Logical formLearned from10 sentences. Information can be about crystals.Logical formLearned from10 sentences. Crystals can be granulated.Logical formLearned from10 sentences. A person may see a crystal.Logical formLearned from10 sentences. Crystals can be czech.Logical formLearned from10 sentences.