IMA mineral species
Tobermorite
Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O
Inosilicate mineral.
Properties
🔷 Orthorhombic✏️ streak white
| Chemical formula | Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O |
|---|---|
| Elements | Ca, Si, O, H |
| Crystal system | Orthorhombic |
| Mohs hardness | — |
| Density | — |
| Streak | white |
| Color | — |
| IMA symbol | Tbm |
| Nickel–Strunz class | 9.DG.10 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Tobermory, United Kingdom
- 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.
Learn more
- Tobermorite on Mindat.org
- Wikipedia article
- Wikidata item Q3992095 (source of this page's data – you can correct it there)
IMA mineral species
Orthorhombic
PinkBrownWhite & Clear