The amblygonite is a fluor-phosphate of lithium and aluminum with formula (Li, Na)AlPO4(F, OH), hardness 5.5- 6 from the Mohs’s scale.
It is found in pegmatite rocks and the colors are from green-blue to pink, yellow and colorless. Due to it’s low hardness and scarcity is a collector’s stone.
A recent lucky find produced a small pocket of this rare blue variety.
Size: 10.5x8x4.6 mm.
Weight: 2.52 ct.