Silver Gemstone

Condition

 Ever since "What Lies Beyond?".

Resultant

 After obtaining this, Ayla, Frog, Robo master the three tech "Spin Strike".

Difficulty
★☆☆☆☆(Easy.)
Value
★★★☆☆(Rare items can be obtained.)
Situation
65000000 B.C. Laruba Ruins

How to get

 After "What Lies Beyond?", talk to Nu who is in 6500000 B.C. Laruba Ruins. Then it is possible to obtain a "Silver Gemstone".