>>803849
Geologist here. That's definitely a rock. Borderline pebble but I would probably classify it as a stone.

>>803849
Looks like zebra rock, it gets used in landscaping.

do the white veins fizz when you put HCL on it?

Looks like granite

Anus

Easy, there's only two types of rocks: skippers and sinkers. Looks like you've got yourself a sinker there

Probably some variety of Gneiss.

Or some rock with a clusterfuck of veinlets. Possibly a serpentinite with quartz/calcite veinlets.

Granite, it'll prob polish up pretty nice.

>>803982
>>803942

Granite isn't green. In igneous rocks, green is a mafic color indicator, coming from olivine, which has magnesium.

>>803953
>Possibly a serpentinite with quartz/calcite veinlets
this.
Goes by the trade name of Verde Antique, it's sometimes also called ophicalcite. It's a serpentinite breccia with calcite veins.

>>804005
>>803887

get some acid and drop it on the white veins. see some fizz!