Rankinite
A variety of Minerals
What is Rankinite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Rankinite 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.
Rankinite Localities Map
See where Rankinite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless
- Hardness (Mohs)
- 5.5
- Density
- 3 g/cm³
Chemical Properties
- Chemical Formula
- Ca3Si2O7
- Elements
- Ca, O, Si
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Rankinite FAQs
How do I identify Rankinite?
Rankinite can be identified by its hardness of 5.5 on the Mohs scale, Colourless color. Look for these key characteristics when examining specimens.
What color is Rankinite?
Rankinite typically appears in Colourless. Color can vary depending on impurities and formation conditions.
How hard is Rankinite?
Rankinite has a hardness of 5.5 on the Mohs scale. This gives it moderate hardness.
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