Holtite Group

A variety of Dumortierite Supergroup

What is Holtite Group?

Holtite Group Market Value Calculator

Estimate the market value of Holtite Group using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

Preview only. Full pricing comps and valuation report in the app.

Holtite Group Localities Map

See where Holtite Group is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Quick Facts

FREE APP
4.7
Ruby Glint rock identifier app

Identify Holtite Group Instantly

  • Snap a photo, get instant results
  • 6,700+ rocks, minerals & crystals
  • Discover collecting spots near you

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