IMA mineral species

Shimazakiite

Ca₂B₂O₅

Borate mineral.

Shimazakiite specimen — Shimazakiite displayed at Mining Museum of Akita University.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density2.781 g/cm³

Average

🔷 Monoclinic

Chemical formula	Ca₂B₂O₅
Elements	Ca, B, O
Crystal system	Monoclinic
Mohs hardness	—
Density	2.781 g/cm³
Streak	—
Color	—
IMA symbol	Smz

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

🌍 Where it's found

Type locality (where it was first described): Fuka mine, Japan

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

Shimazakiite on Mindat.org
Wikidata item Q18337026 (source of this page's data – you can correct it there)