Seidozerite
A variety of Minerals

What is Seidozerite?
Seidozerite is a sorosilicate from the seidozerite supergroup (a "titanium disilicate"). It was first described by Semenov, Kazakova and Simonov in 1958. Its chemical formula is Na4MnZr2Ti(Si2O7)2O2F2 and its type locality is 'Pegmatite No. 58', Lake Seydozero, Lovozero massif, Kola peninsula, Murmansk Oblast.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Seidozerite 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.
Seidozerite Localities Map
See where Seidozerite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Light red or brownish yellow
- Hardness (Mohs)
- 4 - 5
Chemical Properties
- Chemical Formula
- Na4MnZr2Ti(Si2O7)2O2F2
- Elements
- F, Mn, Na, O, Si, Ti, Zr

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Seidozerite FAQs
How do I identify Seidozerite?
Seidozerite can be identified by its hardness of 4 - 5 on the Mohs scale, Light red or brownish yellow color. Look for these key characteristics when examining specimens.
What color is Seidozerite?
Seidozerite typically appears in Light red or brownish yellow. Color can vary depending on impurities and formation conditions.
How hard is Seidozerite?
Seidozerite has a hardness of 4 - 5 on the Mohs scale. This gives it moderate hardness.


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