Crying Obsidian

Crying obsidian refers to a leaked, abandoned project by Jeb to implement a change-spawn obelisk.

This texture was added in Beta 1.3 but was never used in the game. It closely resembles obsidian, mostly due to the matching colors. It also appears to be a sandstone or a bedrock texture modified to look like obsidian. It is also known as "Bleeding Obsidian", "Mystery Block","The Meteorite" and "super obsidian" among many members for its appearance.

In Beta 1.5, the texture slot for crying obsidian was replaced by a grayscale replacement of the side of grassy dirt blocks, which is used for biome-compliant grassy dirt block sides. It's likely that this block has been removed for good.

User Thoughts
B4time10-I Think Notch Should Use Crying Obsidian In A Meteor Shower Weather Condition So Meteorites Would Come Down And Be Made Out Of Crying Obsidian, And When They Land, Make A 30 BW by 50 BD Hole When They Land.