As a physical therapist, you work with patients who have lost the ability to perform daily physical activities. As part of your job, you may develop a collaborative working relationship with your patients' medical doctors.
The most commonly used type of resonator is the AT-cut, where the quartz blank is in the form of thin plate cut as an angle of about 3515' to the optic axis of the crystal. The third essential characteristic of the quartz resonator is related to the stability of its mechanical properties.
The heart shaped cut is in essence a pear shaped cut with a cleft at the top. With 59 standard facets, this cut can be very fiery and offer superb sparkle. Symmetry plays a vital role in selecting a good Heart Shaped cut gemstone.