Harkerite
A variety of Minerals
What is Harkerite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Harkerite 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.
Harkerite Localities Map
See where Harkerite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- White; also tannish brown
- Density
- 3 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- Ca12Mg4Al(BO3)3(SiO4)4(CO3)5 · H2O Evans et al. (2018) report the formula as ~Ca48Mg16[AlSi4(O,OH)16]4(BO3)16(CO3)16(HCl,H2O)2
- Elements
- Al, B, C, Ca, H, Mg, O, Si
Identify Harkerite Instantly
- Snap a photo, get instant results
- 6,700+ rocks, minerals & crystals
- Discover collecting spots near you
Harkerite FAQs
How do I identify Harkerite?
Harkerite can be identified by its White; also tannish brown color. Look for these key characteristics when examining specimens.
What color is Harkerite?
Harkerite typically appears in White; also tannish brown. Color can vary depending on impurities and formation conditions.
%252FAbenakiite-(ce)-01.jpg&size=small)
