Combine 2 gems of same grade to produce 1 of higher grade

Type	Неизвестный
Race	Unknown race, Unknown race, Unknown race, Unknown race
Profession	Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie, Newbie
Price	25 000
Traded	Yes
Discard	Yes
Destroyed	Yes
Banked	Yes
Stackable	by 99 s.

ID	Monster name	Level	%
581	Evil Blood Polliwog	47	5%