Axinite (mineral group)

Axinite

A variety of Minerals

Rare

What is Axinite (mineral group)?

Axinite (mineral group) is a group of four minerals with very similar chemical compositions. Found in colors ranging from brown to pale violet to vermillion, these stones are durable enough to be carved into wearable gemstones. Impressively-colored natural crystal formations are also sought after by collectors.

Axinite (mineral group) Market Value Calculator

Estimate the market value of Axinite (mineral 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.

Axinite (mineral group) Localities Map

See where Axinite (mineral 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

Physical Properties

Color
Brown, reddish brown, violet-brown, purple, green, blue, yellow
Hardness (Mohs)
6 - 7.5
Density
3.27 - 3.35 g/cm³
Streak
White
Luster
Vitreous
Crystal System
Triclinic

Chemical Properties

Chemical Formula
(Ca, Fe, Mn)3Al2BO3Si4O12OH

Also Known As

Axinite (mineral group)Axinite GroupAxinite Crystals
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