I picked up some "frogspawn" yesterday but I am thinking it may be Hammer Coral? Tips look a little clubbed. I have 2 small pieces, Can anyone tell me for sure?
Also can frogspawn and Hammer be put close together/touching?

2nd piece

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45 Gallon Cube with 10 Gallon Sump, Lighting 8 bulb T5, Vertex IN 80 Skimmer
-2 Occelaris Clowns, Engineer Goby, RBTA, Peppermint Shrimp