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Minerals
Here are some of the mineral specimens F - H which can be found in Dave's Down to Earth Rock Shop. This extensive and high quality collection contains many unusual points, minerals, and clusters.
We also have
Exquisite Crystal Carvings available.
Check
out our Glossary!
Click here for Minerals
A - B!
Click here for Minerals C!
Click here for Minerals
D - E!
Click here for Minerals I -
M!
Click here for Minerals
N - Q!
Click here for Minerals
R - S!
Click here for Minerals T - Z!
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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
Learn more about fluorite! |
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Fuchsite
Location: Brazil
Variety of: Muscovite
Chemical Composition: KAl2(AlSi3O10)(F,
OH)2, Potassium aluminum silicate hydroxide fluoride
Hardness: 2 - 3 |
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Velvet Goethite
Location: Mexico
Chemical Composition: FeO(OH), Hydrated Iron Oxide
Hardness: 5 - 5.5 |
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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
Learn more about Garnet! |
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Halite
Location: California
Vitreous pink, colorless, white, yellow, red, blue, and
purple.
Chemical Composition: NaCl, Sodium Chloride
Hardness: 2 |
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Harlequin quartz spheres
(see also Red Quartz)
This is quartz with hematite.
Chemical Composition: SiO2 and Fe2O3
Hardness: 7 |
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Heliodor Golden Beryl
Location: Russia
Variety of: Beryl
Chemical Composition: Be3 Al2
Si6 O18
Hardness: 7.5 - 8 |
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Hematite
Hexogonal
Location: Bouse, AZ
Chemical Composition: Fe2O3
Iron Oxide
Hardness: 5.5 - 6.5
Learn more about
Hematite! |
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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. |
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Hübnerite
Location: Pasto Bueno, Peru
Chemical Composition: MnWO4, Manganese tungstate
Hardness: 4 - 4.5 |
Click here for Minerals
A - B!
Click here for Minerals C!
Click here for Minerals D
- E!
Click here for Minerals I - M!
Click here for Minerals N
- Q!
Click here for Minerals R
- S!
Click here for Minerals T - Z!
Click here for Exquisite
Crystal Carvings!
Dave's Down to Earth Rock Shop and
The Prehistoric Life Museum
704 Main Street
Evanston, IL 60202
phone: 847 866 - 7374
fax: 847 866 - 6854
Store Hours:
M, T, Thurs, F: 10:30 - 5:30
Sat: 10:00 - 5:00
Closed Wednesday and Sunday
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