Crystopedia
IMA mineral species

Jimthompsonite

Mg₅Si₆O₁₆(OH)₂

Triple chain inosilicate mineral.

PinkBrownWhite & Clear

Jimthompsonite specimen
Clinojimthompsonite, Jimthompsonite, Chesterite & Anthophyllite.jpg · Wikimedia Commons (see file page for author & license)

Properties

🔷 Orthorhombic
Chemical formulaMg₅Si₆O₁₆(OH)₂
ElementsMg, Si, O, H
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolJim
Nickel–Strunz class9.DF.05

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

🌍 Where it's found

Type locality (where it was first described): Chester, United States

  • 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.

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