crystal
solid material whose constituent atoms, molecules, or ions are arranged in an ordered pattern extending in all three spatial dimensions
ionic crystal
crystalline ionic compound
anhedral crystal
crystal not bounded by its own crystal faces
euhedral crystal
well-formed crystal with sharp and well developed faces
ice crystal
solid frozen water molecules
phenocryst
Crystal larger than grains of rock in an igneous rock
Iris quartz
variety of quartz
platonic crystal
periodic structures designed to guide flexural wave energy through thin elastic plates; named after "plate", not "Plato"
Aperiodic crystal
Crystal type lacking 3D periodicity
hopper crystal
type of crystal formation shaped like a hopper wagon
Styloid
type of crystal
Boule
synthetic ingot of crystal
single crystal
material in which the crystal lattice of the entire sample is continuous and unbroken to the edges of the sample, with no grain boundaries
protein crystal
crystal formed from protein
crystallite
tiny crystals which form as materials cool, affecting their physical properties
cheese crystals
solid spots, granules, and aggregates that can form on the surface and inside of cheese
seed crystal
small piece of a single crystal used to initiate growth of a larger crystal
single-layer materials
crystalline materials consisting of a single layer of atoms