Morganite is the pink variety of Beryl. It is named after J.P.
Morgan a famous American industrialist and gem lover.
Color : various shades of pink, rose and peach-color.
Refractive Index : 1.57 - 1.60.
Birefringence : 0.004 to 0.008.
Specific Gravity : 2.80 to 2.90 but may be as low as 2.71.
Hardness : 7.5 to 8.
Cleavage : poor, in one direction.
The lovely pink colour of morganite is due to trace amounts of
manganese that find their way into the crystal structure.
Morganite is found in Brazil, Madagascar and in the US,
California, Maine, Connecticut and North Carolina.
The largest faceted morganite is a cushion-shape of 598.70 carat
from Madagascar and is in the collection of the British Museum.
Prices from different sources, depending on color, clarity and
size vary from $20. to $100. per carat.