Plane joints, also known as gliding joints, are a type of synovial joint between flat or near-flat articular surfaces. What are two examples of uniaxial joints? Examples of uniaxial joints are the elbow joint and the interphalangeal joint. Biaxial joints allow movement around two axes. Is a Plane joint Nonaxial?Read More →

A positive uniaxial crystal has the refraction index of e-ray (ne) is smaller than that of the e-ray (ne). A positive biaxial crystal has its β closer to α than to γ. Examples. Quartz, calcite, rutile, etc. All the monoclinic, triclinic an orthorhombic crystal systems. Is Topaz a uniaxial crystal?Read More →