As a general rule, this is about what you can expect for block tiers:
T0 blocks Edit
can be pulled with your Arctek gauntlet alone, no Power Cells are required for this.
Examples would be: blocks of Dirt, Grass, Dead Grass, Savannah Grass, units of Molasses, blocks of Wood from all trees (except for Corrupted Wood), all tree Leaves (except for Corrupted Leaves), Sand, Detritus, Snow Caps, Rocky Dirt, Canyon Floor, Sandstone, all types of Flowers from trees and from the ground, Tallgrass, Vines, Moss, Red Mushrooms, Brown Mushrooms, Crops, Beeswax, Lilypads, Shrubs and the like, as well as Mud found on riverbeds, under lakes or also on the Stalactite layer underground.
T1 blocks Edit
can be pulled with your Arctek gauntlet alone, since no Power Cells are required for this anymore.
T2 blocks Edit
require at least a Stone Mining Cell equipped to your Arctek gauntlet.
Includes Bedrock, Limestone and Magnetite found on the Fossil layer underground (accessible through shallow Caves), black Peakstone from high Mountains, as well as Canyonstone, Ruddy Canyonstone and Dark Canyonstone from Canyons biomes. Also Tourmaline found on the Lava layer and Ice Ice from frozen planes, Frozen Deserts, frozen Oceans and Mountains require at least a Stone Mining Cell to be collected.
T3 blocks Edit
require at least an Obsidian Mining Cell equipped to your Arctek gauntlet.
T4 blocks Edit
require at least an Iron Mining Cell equipped to your Arctek gauntlet.
T5 blocks Edit
require at least a Diamond Mining Cell equipped to your Arctek gauntlet.
Includes all kinds of corrupted blocks including Corrupted Stone, Corrupted Dirt, Corrupted Wood and Corrupted Leaves found on the Corruption layer deep underground, as well as player-made corrupted materials like Corrupted Dirt, and also healing Mineral Water from oases in Canyons and the Stalactite layer underground as well as player-made Mineral Water by purifying Corrupted Water, and also Bog Water from Swamplands.
T6 blocks Edit
require at least a Lumite Mining Cell equipped to your Arctek gauntlet.
Includes Corrupted Water found on the Corruption layer or made by corrupting common Water by throwing Corrupt Bombs, also includes liquid Lava found on the Lava layer underground or made from Hardened Lava by throwing Fire Bombs.
Source: http://steamcommunity.com/sharedfiles/filedetails/?id=599948264 (this source is however currently outdated).