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Minerals
Here are some of the mineral specimens D -E 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
F - H!
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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Datolite
Location: Knowlton Lode - Caledonia Mine
Ontonagon CO. Michigan
Chemical Composition: CaBSiO4(OH)
Hardness: 5 - 5.5 |
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Dioptase
Location: Tsumeb, Namibia
Chemical Composition: CuSiO3 -H2O, Hydrated copper silicate
Hardness: 5 (harder than other green copper minerals) |
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Dioptase
Location: People's Republic of Congo Africa
Chemical Composition: CuSiO3
-H2O, Hydrated copper silicate
Hardness: 5 (harder than other green copper minerals) |
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Cobaltian Dolomite
Location: People's Rep. of Congo, Africa
Chemical Composition: CaMg(CO3)2, Calcium Magnesium Carbonate
Hardness is 3.5 - 4 |
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Pink Kona
Dolomite
"Michigan Picture Rock"
Location: Michigan USA
Chemical Composition: CaMg(CO3)2, Calcium Magnesium Carbonate
Hardness is 3.5 - 4 |
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Drusy Quartz on Chrysocolla
Location: Arizona
Variety of: Quartz
Chemical Composition: SiO2 Silicon
Dioxide
Hardness: 7 |
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Dugway Geodes
Can belong to both the Chalcedony and
Quartz Species.
Location: Utah
Chemical Composition: SiO2
Hardness: 7 |
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Emerald crystals
May Birthstone
Location: Coscozz Mine, Columbia
Variety of: Beryl
Chemical Composition: Be3
Al2 Si6
O18
Hardness: 7.5 - 8
Learn more about emeralds! |
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Erythrite
Location: Bou Azzev, Morocco
Chemical Composition: Co3(AsO4)2-8(H2O) , Hydrated Cobalt Arsenate
Hardness is 1.5 - 2.5 |
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Eudialite
Chemical Composition: Na4(Ca, Ce, Fe,
Mn)2ZrSi6O17(OH,
Cl)2, Sodium Calcium Cerium Iron Manganese Zirconium Silicate Hydroxide Chloride
Hardness is: 5 - 5.5 |
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