IMA mineral species

Soddyite

🪶 Soft, Scratches Easily

(UO₂)₂SiO₄·2H₂O

Uranyl nesosilicate mineral.

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Soddyite specimen
Soddyite-Swamboite-180982.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness3.5
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💅🪙🍶🔪💎

A copper coin scratches it.

Chemical formula(UO₂)₂SiO₄·2H₂O
ElementsU, O, Si, H
Crystal systemOrthorhombic
Mohs hardness3.5
Density—
Streak—
Color—
IMA symbolSod
Nickel–Strunz class9.AK.05

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 3.5: softer than a steel knife, so it scratches easily. Store it apart from harder stones.

🌍 Where it's found

Type locality (where it was first described): Shinkolobwe mine, Democratic Republic of the Congo

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.