Andrianovite
A variety of Minerals
What is Andrianovite?
Andrianovite is a very rare mineral of the eudialyte group, with formula Na12(K,Sr,Ce)6Ca6(Mn,Fe)3Zr3NbSi(Si3O9)2(Si9O27)2O(O,H2O,OH)5. The original formula was extended to show the presence of cyclic silicate groups and silicon at the M4 site, according to the nomenclature of eudialyte group. Andrianovite is unique among the eudialyte group in being potassium-rich (other eudialyte-group species with essential K are davinciite and rastsvetaevite). It is regarded as potassium analogue of kentbrooksite, but it also differs from it in being oxygen-dominant rather than fluorine-dominant. Also, the coordination number of Na in this representative is enlarged from 7 to 9. The name of the mineral honors Russian mathematician and crystallographer Valerii Ivanovich Andrianov.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Andrianovite 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.
Andrianovite Localities Map
See where Andrianovite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Formation of Andrianovite
Andrianovite was discovered in pegmatites of Koashva open pit, Khibiny massif, Kola Peninsula. Russia. It coexists with aegirine, lamprophyllite, lomonosovite, microcline, mosandrite, natrolite, sodalite (silicates) and villiaumite.
Quick Facts
Physical Properties
- Color
- light yellow
- Hardness (Mohs)
- 5
- Density
- 3.02 g/cm³
- Streak
- white
Chemical Properties
- Chemical Formula
- Na12(K,Sr,Ce)3Ca6Mn3Zr3Nb(Si25O73)(O,H2O,OH)5
- Elements
- Ca, Ce, H, K, Mn, Na, Nb, O, Si, Sr, Zr
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Andrianovite FAQs
How do I identify Andrianovite?
Andrianovite can be identified by its hardness of 5 on the Mohs scale, light yellow color. Look for these key characteristics when examining specimens.
What color is Andrianovite?
Andrianovite typically appears in light yellow. Color can vary depending on impurities and formation conditions.
How hard is Andrianovite?
Andrianovite has a hardness of 5 on the Mohs scale. This gives it moderate hardness.
What is the formation of andrianovite of Andrianovite?
Andrianovite was discovered in pegmatites of Koashva open pit, Khibiny massif, Kola Peninsula. Russia. It coexists with aegirine, lamprophyllite, lomonosovite, microcline, mosandrite, natrolite, sodalite (silicates) and villiaumite.
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