Properties
⛏ Mohs hardness7
💅🪙🍶🔪💎
Harder than quartz: scratches glass and steel.
⚖ Density2.634 g/cm³
Average
🔷 Orthorhombic✏️ streak white
| Chemical formula | SiO₂ |
|---|---|
| Elements | Si, O |
| Crystal system | Orthorhombic |
| Mohs hardness | 7 |
| Density | 2.634 g/cm³ |
| Streak | white |
| Color | — |
| IMA symbol | Trd |
| Nickel–Strunz class | 4.DA.10 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Mount San Cristóbal, Mexico
- 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
- Tridymite on Mindat.org
- Wikipedia article
- Wikidata item Q410893 (source of this page's data – you can correct it there)
IMA mineral species
7–8
Orthorhombic
GrayWhite & Clear