(subclass CrystallineStructure StructureAttribute) | Geography.kif 7128-7128 | Crystalline structure is a subclass of structure attribute |
(subclass MonoCrystalline CrystallineStructure) | Geography.kif 7130-7130 | Mono crystalline is a subclass of crystalline structure |
(subclass PolyCrystalline CrystallineStructure) | Geography.kif 7136-7136 | Poly crystalline is a subclass of crystalline structure |