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Obsidian is a vanilla Minecraft block with many uses in Tekkit. Obsidian may also be used as a building material, due to its considerably high blast resistance of 60 (it has been downgraded from 6000 in vanilla Minecraft).

The usual way of making obsidian is cooling off  a lava with water by pouring a bucket of water on top of the lava source. In doing this you save 4 Empty Cells (equivalent to 1 Tin) and use one less lava source. To ensure that the obsidian block is not lost, mine the obsidian as water flows onto it. In doing this the water will turn any lava directly underneath into obsidian, keeping recently mined obsidian safe.

Obsidian can also be made into Obsidian Dust using a Rock Crusher for use in RailCraft.

Recipe

Crafting GUI.png

Water Cell

Lava Cell

Water Cell

Lava Cell

Obsidian


Usage

Obsidian Pipe

Crafting GUI.png

Obsidian

Glass

Obsidian

Obsidian Pipe

GridNumbersCSS

Black Hole Chest

Crafting GUI.png

Obsidian

Obsidian

Obsidian

Diamond Block

Chest

Diamond Block

Obsidian

Obsidian

Obsidian

Black Hole Chest



Ender Chest

Crafting GUI.png

Blaze Rod

Obsidian

Blaze Rod

Wool

Chest

Ender Pearl

Blaze Rod

Obsidian

Blaze Rod

Ender Chest


Gem of Eternal Density

Crafting GUI.png

Diamond

Dark Matter

Diamond

Obsidian

Diamond

Obsidian

Diamond

Dark Matter

Diamond

Gem of Eternal Density


Watch of Flowing Time

Crafting GUI.png

Dark Matter

Glowstone

Dark Matter

Obsidian

Clock

Obsidian

Dark Matter

Glowstone

Dark Matter

Watch of Flowing Time


Transmutation Tablet

Crafting GUI.png

Obsidian

Stone

Obsidian

Stone

Philosopher's Stone

Stone

Obsidian

Stone

Obsidian

Transmutation Tablet


Energy Condenser

Crafting GUI.png

Obsidian

Diamond

Obsidian

Diamond

Alchemical Chest

Diamond

Obsidian

Diamond

Obsidian

Energy Condenser


Antimatter Relay

Crafting GUI.png

Obsidian

Obsidian

Obsidian

Glass

Diamond Block

Obsidian

Obsidian

Obsidian

Obsidian

Antimatter Relay Mk1


Antimatter Relay Mk2

Crafting GUI.png

Obsidian

Obsidian

Obsidian

Dark Matter

Antimatter Relay Mk1

Obsidian

Obsidian

Obsidian

Obsidian

Antimatter Relay Mk2


Antimatter Relay Mk3

Crafting GUI.png

Obsidian

Obsidian

Obsidian

Red Matter

Antimatter Relay Mk2

Obsidian

Obsidian

Obsidian

Obsidian

Antimatter Relay Mk3


Mercurial Eye

Crafting GUI.png

Obsidian

Brick (Block)

Brick (Block)

Brick (Block)

Red Matter

Diamond

Obsidian

Brick (Block)

Brick (Block)

Mercurial Eye


World Anchor

Crafting GUI.png

Gold Ingot

Diamond

Gold Ingot

Obsidian

Obsidian

Obsidian

Gold Ingot

Diamond

Gold Ingot

World Anchor


Obsidian Stick

Crafting GUI.png

Obsidian

Obsidian

Obsidian Stick

GridNumbersCSS

REP

Crafting GUI.png

Obsidian

Blaze Transceiver

Obsidian

REther Pearl

Obsidian

Blaze Transceiver

Obsidian

REP


Wireless Tracker

Crafting GUI.png

Obsidian

REther Pearl

Obsidian

Slimeball

Obsidian

Wireless Tracker


Magtube

Crafting GUI.png

Fine Copper Wire

Obsidian

Fine Copper Wire

Fine Copper Wire

Glass

Fine Copper Wire

Fine Copper Wire

Obsidian

Fine Copper Wire

Magtube

GridNumbersCSS

Accelerator

Crafting GUI.png

Blue Alloy Ingot

Obsidian

Blue Alloy Ingot

Obsidian

Obsidian

Blue Alloy Ingot

Obsidian

Blue Alloy Ingot

Accelerator


Obsidian Computer Chip

Crafting GUI.png

Stick

Computer Iron Chip

Stick

Stick

Obsidian

Stick

Stick

Computer Iron Chip

Stick

Computer Obsidian Chip


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