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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Grand Mound, Clinton County, Iowa, USAi
Regional Level Types
Grand MoundCity
Clinton CountyCounty
IowaState
USACountry

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PhotosMapsSearch
07500200017272073224653.jpg
Manganese Dendrites

Grand Mound, Clinton County, Iowa, USA
07500200017272073224653.jpg
Manganese Dendrites

Grand Mound, Clinton County, Iowa, USA
07500200017272073224653.jpg
Manganese Dendrites

Grand Mound, Clinton County, Iowa, USA
Type:
City
Largest Settlements:
PlacePopulation
Grand Mound617 (2017)
Mindat Locality ID:
44555
Long-form identifier:
mindat:1:2:44555:2
GUID (UUID V4):
0


Grand Mound is a city.

Limestone quarry 2 miles south and 0.5 miles east of town.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘPyrolusite4.DB.05Mn4+O2
Unclassified
ⓘ'Manganese Oxides
var. Manganese Dendrites'		-
ⓘ''-

List of minerals for each chemical element

OOxygen
Oⓘ PyrolusiteMn4+O2
MnManganese
Mnⓘ PyrolusiteMn4+O2

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/Grand_Mound,_Iowa
Wikidata ID:Q664515
GeoNames ID:4858888


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