Where can I find a Moon Stone in Crystal?

Question

I have a nidorino that I catched in National Park his level since I catch it was 12 now his level is 49 I wanted it to evolve to a nidoking but I don't have a moon stone can someone help me to find a moon stone

Answer 1

Non-repeatable
- Tohjo Falls (west end of cave; requires Surf)
- Ruins of Alph (lower-right entrance 2, in the hidden room)
- Purchased by player's mom ($15,000 stored)

Repeatable
- Mt. Moon Square (on Monday nights, under a western rock; requires Rock Smash)
- Held by wild Clefairy (2%)

Moon Stone (Bulbapedia)

Answer 2

Johto: Ruins of Alph
Kanto: Mt. Moon (Monday Night), Tohjo Falls.

Source

How to get it. (Click Here)

Comments

thanks for your comment it really help but where can I find a moon stone there do I have to talk to a person or something

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I've edited the answer again!