Sapphire
Sapphire
Sapphire (/ˈsæf.aɪər/; from Greek: σάπφειρος; sappheiros, 'blue stone') is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α-Al2O3) with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium.
Etymology
The word sapphire comes from the Greek word sappheiros which was originally referred to another blue gemstone, likely lapis lazuli. The word sappheiros may have been derived from the Hebrew word sappir, meaning "the most beautiful of things".
Medical Use
In the medical field, sapphire is used in surgical systems, particularly in laser surgery. The sapphire tips used in some surgical tools are made from synthetic sapphire, which is grown in a lab. These tips are extremely durable and can withstand high temperatures, making them ideal for use in surgical lasers.
Related Terms
External links
- Medical encyclopedia article on Sapphire
- Wikipedia's article - Sapphire
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