Help with stone id. Aquamarine? Calcite? Thanks!

[clearsphere]

[hollyblue83]

The photo quality is too poor to even guess what it is.

[babajp2012]

may be its aquamarine 

[mforjan]

How big is it?

[clearsphere]

3 1/4" by 2 3/4" by 1 3/4" tall, weighs 10 oz. Here's more pics-don't like to use my hands, but wasn't able to capture lying flat. thanks for replies 🙂

[clearsphere]

@hollyblue83 New pics

[old.crows.nest]

Maybe Fluorite?

http://www.mineralminers.com/html/flumins.stm