It has a hardness of 7 to 7 5 on the mohs scale making quite suitable for jewelry wear.
Light blue stone.
Although fairly hard 6 5 7 5 this material is also brittle and may cleave or fracture easily.
There are 19 558 light blue stone for sale on etsy and they cost 12 46 on average.
This blue crystal gets its color from heavy.
Most dark blue specimens have been dyed.
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The most common light blue stone material is metal.
Iolite is a transparent gemstone quality form of the mineral cordierite.
The color of this blue gem is photosensitive and fades in intensity with too much exposure to sunlight.
Though more common as a pale yellow stone sillimanite can have pale blue hues like a light tone aquamarine.
On the basis of dollars spent in the united states sapphire is the most popular blue stone and the third most popular colored stone after emerald and ruby.
While colorless in pure form quartz also occurs as blue stones known as dumortierite quartz.
This blue stone ranges in shade from light blue green blue to deep blue.
Lapis lazuli medium rich blue color larimar this stone is a cloudy white and blue mixture in color moonstone this.
This makes it a challenge for lapidaries and a risky choice for jewelry.
Sapphire is a gem variety of the mineral corundum when corundum is reddish blue to violet blue it is known simply as sapphire corundums of any other color except red which is ruby are known as fancy sapphire.