Crystopedia
IMA mineral species

Nioboholtite

(Nb₀.₆☐₀.₄)Al₆BSi₃O₁₈

Nesosilicate mineral.

YellowBrownGrayWhite & Clear

Properties

🔷 Orthorhombic✏️ streak white
Chemical formula(Nb₀.₆☐₀.₄)Al₆BSi₃O₁₈
ElementsNb, Al, B, Si, O
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolNhlt

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

🌍 Where it's found

Type locality (where it was first described): Szklary pegmatite, Poland

  • 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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