There are 16 different Caribbean Calcite Free Forms, each one is measured as best as possible with weight. Also each one has a different price please  be aware of price.
 
A: 39 X 64 mm: thickness is 31 mm: weight is 164 grams
B: 34 X 58 mm: thickness is 40 mm: weight is 130 grams
C: 43 x 39 mm: thickness is 43 mm: weight is 148 grams
D: 42 x 66 mm: thickness is 25 mm: weight is 124 grams
E: 30 x 44 mm: thickness is 20 mm: weight is 60 grams
F: 37 x 40 mm: thickness is 25 mm: weight is 92 grams
G: 24 x 39 mm: thickness is 27 mm: weight is 54 grams
H: 42 x 43 mm: thickness is 24 mm: weight is 75 grams
I: 23 x 52 mm: thickness is 19 mm: weight is 48 grams
J: 23 x 48 mm: thickness is 21 mm: weight is 54 grams
K: 35 x 53 mm: thickness is 27 mm: weight is 92 grams
L: 24 x 59 mm: thickness is 22 mm: weight is 68 grams
M: 25 X 53 mm: thickness is 23 mm: weight is 58 grams
N: 26 x 49 mm: thickness is 21 mm: weight is 48 grams
P: 56 x 40 mm: thickness is 32 mm: weight is 104 grams
R: 32 x 45 mm: thickness is 21 mm: weight is 48 grams
 
Caribbean Calcite is new from Pakistan; named for its visual appearance of the Caribbean beaches. It appears to be Calcite and Aragonite make up. Mohs is 3 color is blue and brown.