Q: Are crystals usually identifiable by their geometrical shape? ¶
A: Yes, and consisting of flat faces with specific, characteristic orientations.
Q: Is a crystal oriented in a specific way relative to the underlying atomic arrangement of the crystal: they are planes of relatively low Miller index? ¶
Q: Is a crystal scientifically defined by its microscopic atomic arrangement? ¶
A: Yes, and not its macroscopic shape—but the characteristic macroscopic shape is often present and easy to see.
Q: Is a crystal constrained by the requirement that the unit cells stack perfectly with no gaps? ¶
Q: Are crystals often used in pseudoscientific practices such as crystal therapy? ¶
A: Yes, and and, along with gemstones, are sometimes associated with spellwork in Wiccan beliefs and related religious movements.
Q: Is a crystal one grain in a polycrystalline solid? ¶
Q: Is a crystal supposed to consist of smaller crystalline units that are somewhat misaligned with respect to each other? ¶
Q: Are crystals occasionally found? ¶
Q: Is a crystal a solid where the atoms form a periodic arrangement? ¶
Q: Are crystals commonly recognized by their shape? ¶
A: Yes, and consisting of flat faces with sharp angles.
Q: Are crystals those with obvious? ¶
A: Yes, and well-formed flat faces.