➤ Minerals based on zirconium oxide and silicate, except for metallic zirconium, are biologically inert.

➤ The ability to cooperate with tissue structures and biological fluids of the body is absent due to high chemical inertness.

➤ Allergic reactions on the skin (swelling, eczema).

➤ In severe cases, acute pneumonia and pulmonary fibrosis may occur;

➤ Disruption of the normal rhythm of the excretory organs (kidneys), gastrointestinal disorders.

➤ Causes irritation of the mucous membranes of the eyeball.

➤ There is dysfunction of the NA.

➤ General weakness, cephalgia, nausea are present.

➤ May have a negative impact on growth and development processes.

➤ ZrO₂Y₂O₃ - 99% alloy

➤ ZrO₂ - gel

➤ Zr alloys are used to make surgical instruments and suture material for brain surgery.

➤ High-quality surgical instruments, implants and prostheses (dental, bone, joint), and surgical wire are made from zirconium.

➤ Zirconium foil is used as an X-ray contrast agent in diagnostic examinations.

➤ Usually, in energy practices, zirconium bracelets are placed on the wrists, where numerous biological points are located, related to the activity of the body's internal systems.

➤ Gastrointestinal disorders, vertigo, pharyngeal reflex, abdominal cramps may occur.

➤ Dermatological irritations: eczema, dermatitis.

➤ There is no specific antidote.

➤ The heated Zr-ZrO₂ strongly emits light.

V.I. Nernst used incandescent rods in lamps.

➤ Zirconium brick is a fireproof material.

➤ Zirconium is added to steel to make armor.

➤ The first nuclear submarine, the Nautilus (USA), had a zirconium reactor.

➤ PbZrO₃ - piezoelectric.