Khomyakovite
A variety of Minerals
What is Khomyakovite?
Khomyakovite is an exceedingly rare mineral of the eudialyte group, with formula Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2. The original formula was extended to show the presence of both the cyclic silicate groups and M4-site silicon, according to the nomenclature of the eudialyte group. Some niobium substitutes for tungsten in khomyakovite. Khomyakovite is an iron-analogue of manganokhomyakovite, the second mineral being a bit more common. The two minerals are the only group representatives, beside taseqite, with species-defining strontium, although many other members display strontium diadochy. Khomyakovite is the third eudialyte-group mineral with essential tungsten (after johnsenite-(Ce) and manganokhomyakovite).
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Khomyakovite 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.
Khomyakovite Localities Map
See where Khomyakovite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Formation of Khomyakovite
Khomyakovite, manganokhomyakovite, johnsenite-(Ce) and oneillite are four eudialyte-group minerals with type locality in Mont Saint-Hilaire, Quebec, Canada. Khomyakovite itself is associated with analcime, annite, natrolite, titanite, calcite, and pyrite.
Quick Facts
Physical Properties
- Color
- Orange to orange-red.
- Hardness (Mohs)
- 5 - 6
- Density
- 3.14 g/cm³
- Streak
- White.
Chemical Properties
- Chemical Formula
- Na12Sr3Ca6Fe3Zr3WSi25O733(OH,Cl)2
- Elements
- Ca, Cl, Fe, H, Na, O, Si, Sr, W, Zr
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Khomyakovite FAQs
How do I identify Khomyakovite?
Khomyakovite can be identified by its hardness of 5 - 6 on the Mohs scale, Orange to orange-red. color. Look for these key characteristics when examining specimens.
What color is Khomyakovite?
Khomyakovite typically appears in Orange to orange-red.. Color can vary depending on impurities and formation conditions.
How hard is Khomyakovite?
Khomyakovite has a hardness of 5 - 6 on the Mohs scale. This gives it moderate hardness.
What is the formation of khomyakovite of Khomyakovite?
Khomyakovite, manganokhomyakovite, johnsenite-(Ce) and oneillite are four eudialyte-group minerals with type locality in Mont Saint-Hilaire, Quebec, Canada. Khomyakovite itself is associated with analcime, annite, natrolite, titanite, calcite, and pyrite.
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