Jaffeite
A variety of Minerals
What is Jaffeite?
Jaffeite is an hydrated calcium silicate with the following chemical formula: Ca6Si2O7(OH)6
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Jaffeite 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.
Jaffeite Localities Map
See where Jaffeite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Formation of Jaffeite
The mineral was first found at the Kombat Mine in Namibia. In 1989 the mineral was named after Prof. Howard W. Jaffe (1919–2002) of the University of Massachusetts Amherst.
Quick Facts
Physical Properties
- Color
- colorless
- Density
- 2 g/cm³
- Streak
- white
Chemical Properties
- Chemical Formula
- Ca6(Si2O7)(OH)6
- Elements
- Ca, H, O, Si
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Jaffeite FAQs
How do I identify Jaffeite?
Jaffeite can be identified by its colorless color. Look for these key characteristics when examining specimens.
What color is Jaffeite?
Jaffeite typically appears in colorless. Color can vary depending on impurities and formation conditions.
What is the formation of jaffeite of Jaffeite?
The mineral was first found at the Kombat Mine in Namibia. In 1989 the mineral was named after Prof. Howard W. Jaffe (1919–2002) of the University of Massachusetts Amherst.
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