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.
Quick Facts
Physical Properties
- Color
- Pale blue
- Hardness (Mohs)
- 6.5 - 7
- Rock tumbling
- Tumbles well
- Streak
- White
Chemical Properties
- Chemical Formula
- Ca2MgAl2BSi4O15OH
- Elements
- Al, B, Ca, H, Mg, O, Si
Also Known As
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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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