Here you can find a lot of icecles, snow heaps and pillars and ice stones (more than 70 different meshes).
Triangles counts:
IceFloorCorner2 - 337 triangles
IceStalagmiteFragmentI_1 - 806 triangles
IceFloorCorner1 - 514 triangles
IceStalagmiteFragmentI_3 - 828 triangles
IceWallCornerI_3 - 1882 triangles
IciclePlane2 - 6 triangles
IceWall2 - 701 triangles
IceCeiling1 - 539 triangles
IceRock_4 - 346 triangles
IceFloorCorner5 - 966 triangles
IceStalagmiteI_1 - 3662 triangles
IceFloorCorner3 - 525 triangles
IceStalagmiteI_2 - 4846 triangles
IciclePlane1 - 6 triangles
Icicle1 - 472 triangles
IceRock_2 - 544 triangles
IceStalagmiteFragmentI_2 - 792 triangles
IceRock_1 - 552 triangles
IceWall1 - 811 triangles
IceFloor2 - 1447 triangles
Icicle2 - 234 triangles
IciclePlane3 - 4 triangles
IceStalagmitePileI_2 - 14652 triangles
IceStalagmiteI_3 - 4110 triangles
IceFloorGathered_1 - 3535 triangles
Icicle3 - 122 triangles
IceRock_3 - 780 triangles
IceWallCornerI_1 - 752 triangles
IceFloor1 - 985 triangles
IceFloorGathered_2 - 8516 triangles
IceFloor3 - 1159 triangles
IceWall3 - 953 triangles
IceStalagmitePileI_1 - 26308 triangles
IceStalagmiteI_4 - 6928 triangles
IceCeiling2 - 982 triangles
IceWallCornerI_2 - 918 triangles