Help!! What is the name for this

[nrej]

stone?  It feels cold to touch. 

Does anyone have any ideas?

Thanks for any and all help....

Snow is NE Ohio this a.m.  Brrrrrrr!!

Thanks to all, Judy   

[nrej]

Here is another shot with the flash....

Thanks again!!

[mimiwells]

Possibly Malachite

[mforjan]

Looks like malachite to me 

[nrej]

mforan ~~ Thank you!!  That was quick..  I appreciate it....

[nrej]

Thanks to mimiwells!!!  Malachite it is, ladies!!

Thank you, again...  Judy

[mforjan]

Sweet! That's a stone I really like 🙂

[charmaffair_2009]

This is a very soft stone, will polish up easily as you polish the silver.Or use brasso. Once much cleaner and polished , rub it with either bees wax or dear old wax furniture polish like pledge. This will seal the top for a while. Charm