Sky Blue Topaz has excellent transparency, clarity and quite durable, hard and resistant to scratches. It is the official birthstone for December.

Topaz is very versatile and is perfect for setting into rings, pendants, pendants, and earrings. Topaz should be protected from hard knocks by protected settings in daily wear rings. A single blow could cause fracturing due to perfect cleavage. 

-- 10.5mm x 9.1mm x 6.0mm tall, 3.86 cts

-- color light blue

-- Spaatz (cutting design by Jay Conner) 75 facets / 12 sided

-- MOHS 8.0

-- RI 1.609 to 1.643

-- vitreous luster

-- very clean and transparent