Axinite-(mg)

Axinite-(Mg)

A variety of Minerals

What is Axinite-(mg)?

Axinite-(Mg) is a borosilicate mineral of aluminum, calcium and magnesium of the axinite group, with magnesium as the dominant cation in the place of the structure that can also be occupied by iron and manganese. It was discovered in gem material from Merelani Hills, Lelatema Mts, Manyara Region, Tanzania, which is consequently its type locality. It was initially called magnesioaxinite, referring to its membership in the axinite group and the role of magnesium as the dominant cation. The International Mineralogical Association (IMA) later changed its name to axinite-(Mg). Occasionally it has been carved as a collection gem.

Market Value Factors

Pricing varies for every rock and mineral, so use these universal factors to gauge Axinite-(mg) before comparing listings or appraisals.

Size & Weight

Larger, intact specimens usually command higher prices.

Rarity & Demand

Scarce material or popular varieties sell at a premium.

Condition & Finish

Chips, repairs, and heavy wear lower value; clean prep helps.

Treatment & Provenance

Untreated specimens with documented locality are prized.

Applies to all rocks & minerals.

Axinite-(mg) Localities Map

See where Axinite-(mg) 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
Pale blue
Hardness (Mohs)
6.5 - 7
Streak
White

Chemical Properties

Chemical Formula
Ca2MgAl2BSi4O15OH
Elements
Al, B, Ca, H, Mg, O, Si

Also Known As

Axinite-(mg)Magnesium Axinite
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Axinite-(mg) FAQs

How do I identify Axinite-(mg)?

Axinite-(mg) can be identified by its hardness of 6.5 - 7 on the Mohs scale, Pale blue color. Look for these key characteristics when examining specimens.

What color is Axinite-(mg)?

Axinite-(mg) typically appears in Pale blue. Color can vary depending on impurities and formation conditions.

How hard is Axinite-(mg)?

Axinite-(mg) has a hardness of 6.5 - 7 on the Mohs scale. This gives it moderate hardness.

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