Crystopedia
IMA mineral species

Bultfonteinite

Ca₂[SiO₃(OH)]F·H₂O

Nesosilicate mineral.

PinkBrownWhite & Clear

Bultfonteinite specimen
Bultfonteinite - Linxi, Chifeng City, Inner Mongolia, China.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₂[SiO₃(OH)]F·H₂O
ElementsCa, Si, O, H, F
Crystal systemTriclinic
Mohs hardness4.5
Density—
Streakwhite
Color—
IMA symbolBul
Nickel–Strunz class9.AG.80

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

🌍 Where it's found

Type locality (where it was first described): Bultfontein mine, South Africa

  • 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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