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LATENT REFERENCES / TAG1

Kozushima Obsidian

Archive curator and editor: Keigo Yoshida

This reference note belongs to Tag1 in Latent References, an archive curated by Keigo Yoshida. Its archive region is Stone · Geology. The note preserves its source text and links so that readers can trace the material behind the 3D map.

Collection
Tag1
Archive region
Stone · Geology

Archived reference note

English translation of the archived note. JP shows the original text. Source links and literal code are retained; the translation does not update or independently verify the source claims.

Extremely hard obsidian is mined on Kozushima, one of the Izu Islands.

Source updated 2023-11-19 · Snapshot 2026-10-08

Why this topic?

The note concerns obsidian from Kozushima, connecting stone properties with geological origin.

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  • Spiritual ResonanceComputed lexical cosine similarity 0.101 · shared title, text, tags and references