Oh here's the actual text if that helps:
"stone" : {
"textures" : [
"textures/blocks/stone",
"textures/blocks/stone_granite",
"textures/blocks/stone_granite_smooth",
"textures/blocks/stone_diorite",
"textures/blocks/stone_diorite_smooth",
"textures/blocks/stone_andesite",
{
"variations": [
{
"path": "textures/stone_andesite_smooth",
"weight": 3
},
{
"path": "textures/polished_andesite2",
"weight": 1
},
{
"path": "textures/polished_andesite3",
"weight": 1
}
]
}
]
},