A (crystal ball) may tell persons.Logical formLearned from10 sentences. Liquid crystals may align themselves.Logical formLearned from10 sentences. Liquid crystals may scatter a light.Logical formLearned from10 sentences. Bacteria may be incrusted with crystals.Logical formLearned from10 sentences. Crystals may form at a bottom of a lagoon.Logical formLearned from10 sentences. Crystals can be during a (science lab).Logical formLearned from10 sentences. A (crystal structure) may pertain-to persons.Logical formLearned from10 sentences. Surfaces may pertain-to crystals.Logical formLearned from10 sentences. Crystals can be granular.Logical formLearned from10 sentences. Crystals can be dry.Logical formLearned from10 sentences. Crystals can be siliceous.Logical formLearned from10 sentences. A structure may pertain-to a crystal.Logical formLearned from10 sentences. Crystals can be composite.Logical formLearned from10 sentences. A (crystal ball) may undergo droppings.Logical formLearned from10 sentences. Crystals can be constituted-of-or-filled-with olivine.Logical formLearned from10 sentences.