A 44mm
B 48mm
D 48mm
Beautiful Fluorite Tiffany stone 

Often called Opalized Fluorite, Purple Opal and Ice Cream Opal, Tiffany stone is  
composed primarily of fluorite with smaller amounts of opal, calcite, dolomite, quartz, chalcedony and bertrandite.

It is said to connect the Heart, Thymus and Higher Heart Chakras, it's a wonderful stone to use in clearing all the meridians and chakras. A stone of power it release energy blockages which enables a person to move forward and build anew.
It's also often associated with sexual desire, and called the purple passion stone, it is a conductor of divine forces.
Sourced from China 

Tiffany stone (chinese)