Glowstone

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Glowstone
Glowstone.png

Transparency

Yes

Luminance

15

Blast resistance

1.5

Tool

Any tool

Renewable

Yes

Stackable

Yes (64)

Flammable

No

Drops
Data value

dec: 89 hex: 59 bin: 1011001

Name

glowstone

Glowstone is a light-emitting block that appears in the Nether.

Obtaining

When broken without a tool, or with any tool not enchanted with Silk Touch, a glowstone block drops 2-4 glowstone dust, or more with a Fortune tool (but never more than 4).

Block
Glowstone
Hardness 0.3
Breaking time[note 1]
Hand 0.45
  1. Times are for unenchanted tools in seconds.

Natural generation

A naturally occurring vein of glowstone in the Nether.

Glowstone only occurs naturally in the Nether, where it generates in coral-like clusters on the undersides of netherrack.

Crafting

Ingredients Crafting recipe
Glowstone Dust











Trading

Villager clerics will sell 1-3 glowstone for an emerald as a third tier trade.

Usage

Light source

Glowstone blocks emit a light level of 15, the brightest possible light level in the game. They emit the same amount of light as sea lanterns, jack o'lanterns, redstone lamps and beacons.

In redstone circuits



A









B


A glowstone block can transmit power up, but not down. Lamp A will be powered because the redstone signal travels up the glowstone block. Lamp B will be off as the signal would have to go down the glowstone, which is not possible.

When placing redstone on a glowstone block, being a transparent block, signals can pass from one block to another diagonally. Redstone wire, even though it may appear to connect up the side of a glowstone block and to the wire portion on top, will not send a redstone signal down the glowstone block. This makes glowstone effective for vertical diodes, logic gate designs and space-efficient instant vertical redstone.

Note that upside-down slabs can be used for the same purpose, and are easier to obtain.

Crafting ingredient

Name Ingredients Crafting recipe
Redstone Lamp Redstone +
Glowstone











Video

History

Alpha
1.2.0 Glowstone Block-Pre Beta 1.9pre5.png Glowstone was added.
Crafting recipe was 3×3 glowstone dust.
Drop rate of glowstone dust was 1.
Material type began as "glass".
Beta
1.6.6 Crafting recipe was changed to the current 2×2 glowstone dust.
Drop rate of glowstone dust is now increased to 2–4.
Material type was changed to "stone", meaning a pickaxe is now needed to drop items and block dependent blocks can now be blocked on the block.
1.7.3 Harvesting glowstone required an iron pickaxe or higher.
Official release
1.0.0 Beta 1.9-pre5 Glowstone.png Changed texture, removing the border on the outside.
1.0.0-RC1 Material type is now changed once again to "glass".
1.2.1 Redstone can now be placed on glowstone. Redstone wire can now only transmit upwards through it.
Glowstone is used to craft redstone lamps.
1.3.1 Glowstone now traded by villagers.
1.5 13w02a In texture packs, glowstone uses /textures/blocks/lightgem.png
1.7.2 Glowstone can no longer be used to see through blocks.
Pocket Edition Alpha
0.5.0 Glowstone was added.
0.9.0 build 1 Smooth lighting was removed from glowstone.
0.13.0 build 1 Glowstone is now used to craft redstone lamps.
Legacy Console Edition
TU1CU11.0Patch 1Glowstone was added.

Trivia

  • Since glowstone blocks become block entities when moved by pistons, this momentarily stops them from giving off light.
  • Rarely, glowstone can be found touching the ground if the ceiling it was generated on was extremely low (2-3 blocks of clearance).
  • When glowstone is placed 9 or more blocks above ground level (out of its lighting range), the glowstone will actually cast a shadow, despite being a light-emitting block.


Gallery