Crystal healing – any info on what blue quartz can be used for?

Blue Quartz inspires serenity, meditation, and psychic and spiritual development. Blue Quartz is especially beneficial for those experiencing emotional unrest as it disperses fear and introvert tendencies.
Thought to encourage thoughtfulness and consideration, Blue Quartz gives the ability to stimulate relationships by reaching out to others. Blue Quartz is believed create a healthy endocrine system, and provides relief from disorders of the blood, spleen, thymus, lungs, heart and throat.

Blue Quartz Crystal
Blue Quartz Crystal
Blue Quartz Crystal