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Glowstone, only mentioned in an extra page at the end of Chapter 01, is a mineral found in the Abyss.[1]


When certain frequencies are applied to a polished Glowstone, it will produce light. It doesn't produce heat, making it an ideal light source. However, when under pressure, it will explode easily.[1]


Glowstones are used forDelvers' Headlamps in combination of the gem itself, an iron can, an airtight glass container, a wire, a processed talon crystal, and some water.[1]

Due to easily exploding under pressure, they can also be processed into explosives.[2]


  1. 1.0 1.1 1.2 Made in Abyss Manga: Made in Abyss Chapter 001, Page 34
  2. Made in Abyss Manga: Made in Abyss Chapter 032, Pages 10-11

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