IMA mineral species Healing crystal

Howlite

Ca₂B₅SiO₉(OH)₅

Inoborate mineral.

White & Clear

Howlite specimen
Howlite - tumble polished stone.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₂B₅SiO₉(OH)₅
ElementsCa, B, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolHow
Nickel–Strunz class6.CB.20

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

🌍 Where it's found

  • 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.

✨ Metaphysical & Folklore

These are traditional and folk beliefs from crystal lore. They are not scientific or medical claims – crystals are not a substitute for professional care.

White howlite is associated with patience and calming an anxious mind.

Traditional uses
patience, sleep, calm
Chakra
Crown
Zodiac
Gemini
Element
Air