Graftonite-(ca)

Graftonite-(Ca)

A variety of Minerals

What is Graftonite-(ca)?

Market Value Factors

Pricing varies for every rock and mineral, so use these universal factors to gauge Graftonite-(ca) 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.

Applies to all rocks & minerals.

Graftonite-(ca) Localities Map

See where Graftonite-(ca) is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Quick Facts

Physical Properties

Color
Brownish
Hardness (Mohs)
5

Chemical Properties

Chemical Formula
CaFe2+2(PO4)2 Structural formula (from type description):M(1)CaM(2),M(3)Fe2(PO4)2. The M(1) site is occupied dominantly by Ca, and the M(2) and M(3) sites are occupied by Fe2+ and Mn2+, with Fe2+ dominant over Mn2+ at the aggregate M(2) + M(3) sites.
Elements
Ca, Fe, O, P
FREE APPTrusted by rockhounds
Ruby Glint rock identifier app

Identify Graftonite-(ca) Instantly

  • Snap a photo, get instant results
  • 6,700+ rocks, minerals & crystals
  • Discover collecting spots near you

Graftonite-(ca) FAQs

How do I identify Graftonite-(ca)?

Graftonite-(ca) can be identified by its hardness of 5 on the Mohs scale, Brownish color. Look for these key characteristics when examining specimens.

What color is Graftonite-(ca)?

Graftonite-(ca) typically appears in Brownish. Color can vary depending on impurities and formation conditions.

How hard is Graftonite-(ca)?

Graftonite-(ca) has a hardness of 5 on the Mohs scale. This gives it moderate hardness.

Related Minerals

Explore More Rocks & Minerals