Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Shell Rock, Butler County, Iowa, USAi
Regional Level Types
Shell RockCity
Butler CountyCounty
IowaState
USACountry

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PhotosMapsSearch
Type:
City
Largest Settlements:
PlacePopulation
Shell Rock1,323 (2017)
Mindat Locality ID:
44548
Long-form identifier:
mindat:1:2:44548:2
GUID (UUID V4):
0


Shell Rock is a city.

North of Shell Rock - gravel pit - Lake Superior agates. Geodes in outcrop and quarries - calcite

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz
var. Agate		4.DA.05SiO2
ⓘvar. Chalcedony4.DA.05SiO2
ⓘ4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3

List of minerals for each chemical element

CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Quartz var. AgateSiO2
Oⓘ CalciteCaCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ QuartzSiO2
SiSilicon
Siⓘ Quartz var. AgateSiO2
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ QuartzSiO2
CaCalcium
Caⓘ CalciteCaCO3

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Shell_Rock,_Iowa
Wikidata ID:Q1925548
GeoNames ID:4876161


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