Minerals F - H

Go To A - B, C, D - E, I - M, N - Q, R - S, T - Z

Fluorite - yellow
Location: Cave In Rock, Illinois
Vitreous colorless green, blue, yellow, purple, pink, etc.
Chemical Composition: CaF2, Calcium Fluoride with small amounts of yttrium and cerium
Hardness: 4

Fuchsite
Location: Brazil
Variety of: Muscovite
Chemical Composition: KAl2(AlSi3O10)(F, OH)2, Potassium aluminum silicate hydroxide fluoride
Hardness: 2 - 3

Grossularite Garnet
Location: Sierra de Cruces, Coahuila, Mexico
General garnet composition: A3B2(SiO4)3, where Ca, Mg, Fe2+, or Mn2+ occupy the A site, and the B site contains Al, Fe3+ or Cr3+. Hydrous garnets may contain up to 8.5% H2O.
Hardness: 6.5 - 7.5

Halite
Location: California
Vitreous pink, colorless, white, yellow, red, blue, and purple.
Chemical Composition: NaCl, Sodium Chloride
Hardness: 2

Heliodor Golden Beryl
Location: Russia
Variety of: Beryl
Chemical Composition: Be3 Al2 Si6 O18
Hardness: 7.5 - 8

Hematite
Hexogonal
Location: Bouse, AZ
Chemical Composition: Fe2O3 Iron Oxide
Hardness: 5.5 - 6.5

Herkimer Diamond
Location: NY USA
Variety of: Quartz
Chemical composition: SiO2, silicon dioxide
Hardness: 7

Herkimer Diamond is a doubly terminated quartz crystal in its original form as facetted by nature. The best crystals with high brilliance, clarity, and surface luster approach a real diamond in appearance. Having originally been found in Little Falls, Herkimer County, NY determined the name.

Hübnerite
Location: Pasto Bueno, Peru
Chemical Composition: MnWO4, Manganese tungstate
Hardness: 4 - 4.5

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