Blocks
(well, most of them anyway...)
BloodStone Ore. Yow. Very rare!
Diamond Ore! Ooooo.... sparkly stuff!!!
Water Spout. Decorative mostly, spits water particles in the air!
Water NOT, or UN-Water Pump. If water on input, it stops, if input is dry, it pumps water!
Water Dark. Makes Dark when next to water.
Water AND. Needs two corners to have water before it will pump.
Milk. The good stuff! Whole milk, not that low-fat garbage...
Instability Block. Stone that goes BOOM!
FireStone. Hot. Burns a long time. Ouch.
Block of SunStone. Could come in handy some day...
Block of Diamond. Always good to have.
AutoFence block! Automatically goes UP when entities get near it. Use the AutoFence Key to hop over it.
Picture
Apple Tree Leaves, from an apple tree. Nothing special, just leaves.
Picture
A block of light. Handy way to carry around a lot of light!
Picture
A block of pure silver, second only to Platinum in strength!
Picture
Blue glass. Add a blue flower to glass.
Picture
Red Glass. Add a red flower to glass.
Picture
Yellow Glass. Add a yellow flower to glass.
Picture
Leaves. Just leaves.
Picture
Dark Ore. This is what you mine up to make Dark. Look for dark patches underground as a hint of where to find these.
Picture
Platinum Ore! This is the good stuff!!! Some smelting required...
Picture
Peach Tree Leaves. Yes! There are Peaches in this game! :)
Picture
A Redwood Log.
Picture
Cockroach nest! Great for having some teleporters handy. Jump on a cockroach to switch dimensions!
Picture
Spawner. Lots of different types. Collect them all!
Picture
StopBlock. Right. Stop. Can't dig through this.
Picture
Water. Well, sort of. Work-in-progress...
Picture
Willow Tree Log. 
Picture
Willow Tree leaves!
Picture
Coloring Block! Right! Yes it is! Right-click to color it! You can have up to 100 custom coloring blocks! Now all you have to do is remember how to draw!
Picture
Copper Ore. Smelt to make copper!
Picture
Tin Ore. Smelt to make Tin!
Picture
It's a desk. Really.
 Picture
A block of darkness. Handy way to store a lot of dark!
GreyStone. Stone, but greyer...
Water Cannon. Shoots water and other liquids! Yes it even shoots lava!
Water Pump. VERY useful. Pumps liquids... and moves items too...
SunStone Ore. Bro! Hide that stuff quick!!!
Emerald Ore! Green sparklies!!!!!
Water Light. Makes Light when next to water.
PuddleMaker. Place near water. Make even more puddles!
Music Box. Plays awesome DZ music when next to water!
Lava. Very hot lava. Yes, it is.
Block of Emerald. It's so GREEN!
Block of BloodStone!
Picture
A block of hard-to-find Platinum! Worth more than Gold! Makes GREAT armor and weapons!
Picture
Leaves, from a Cherry tree. Nothing special, just leaves.
Picture
Dark plywood. Nice deep color for building things.
Picture
Dirt. Great stuff for playing in and planting. Plenty of different bacteria in here to train your immune system not to attack itself and give you allergies!
Picture
Glass. Look through it. Also useful for windows!
Picture
Green Glass. Add grass to glass.
Picture
Violet Glass. Add a violet flower to glass.
Picture
Grass. Not Glass. Grass. Get out in it. Run around in it. Get stains on your pants with it. Great stuff. You can even lie in the sun on it!
Picture
Light plywood. Great for highlights on your wooden structures!
Picture
Light Ore. This is what you need to mine to make Light!
Picture
Silver Ore! This is pretty good stuff for armor. Smelting required!
Picture
Plywood. What is plywood you ask? Good grief... Go tell your father you need him to teach you how to build a house. Then you'll know!
Picture
Redwood Leaves. Big tree. Big leaves.
Picture
Sand. You know. Beach... sand... cook it to make glass!
Picture
Stone. Just your plain old basic everyday stone.
Picture
Log. Generic.
Picture
Sticky Block. Yuck. Stay away.
Picture
Cool-looking block of copper.
Picture
Block of Tin. Meh.
Picture
Shredder! Shreds most wood into chips, then pulp!