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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Howard County, Iowa, USAi
Regional Level Types
Howard CountyCounty
IowaState
USACountry

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PhotosMapsSearch
Neighbouring regions:
Floyd County, Iowa, USA
Winneshiek County, Iowa, USA
Fillmore County, Minnesota, USA
Mower County, Minnesota, USA
Chickasaw County, Iowa, USA
Mitchell County, Iowa, USA
Type:
County
Largest Settlements:
PlacePopulation
Cresco3,833 (2017)
Riceville810 (2017)
Elma539 (2017)
Lime Springs490 (2017)
Protivin279 (2017)
Chester125 (2017)
Mindat Locality ID:
59280
Long-form identifier:
mindat:1:2:59280:5
GUID (UUID V4):
0
Other Languages:
View 35 more...
French:
comté de Howard, Iowa, États-Unis
German:
Howard County, Iowa, Vereinigte Staaten
Italian:
contea di Howard, Iowa, Stati Uniti d'America
Russian:
Говард, Айова, Соединённые Штаты Америки
Simplified Chinese:
霍華德縣, 艾奥瓦州, 美国
Spanish:
Condado de Howard, Iowa, Estados Unidos
Albanian:
Howard County, Iowa, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة هاوارد, آيوا, الولايات المتحدة
Armenian:
Հովարդ շրջան, Այովա, Ամերիկայի Միացյալ Նահանգներ
Basque:
Howard konderria , Iowa
Bavarian:
Howard County, Iowa, Vaoanigte Stootn
Belarusian:
Говард, Аява, Злучаныя Штаты Амерыкі
Bishnupriya Manipuri:
হাৱার্ড কাউন্টি, আইৱা, তিলপারাষ্ট্র
Bulgarian:
Хауърд, Айова, Съединени американски щати
Cebuano:
Howard County, Iowa
Dutch:
Howard County, Iowa, Verenigde Staten
Esperanto:
Kantono Howard, Iovao
Farsi/Persian:
شهرستان هوارد، آیووا, آیووا, ایالات متحده آمریکا
Georgian:
ჰოვარდის ოლქი, აიოვა, ამერიკის შეერთებული შტატები
Hebrew:
מחוז הווארד, איווה, ארצות הברית
Hungarian:
Howard megye, Iowa, Amerikai Egyesült Államok
Japanese:
ハワード郡, アイオワ州, アメリカ合衆国
Low Saxon/Low German:
Howard County, Iowa, USA
Min Dong Chinese:
Howard Gông, Iowa
Minnan / Hokkien-Taiwanese:
Howard Kūn
Norwegian:
Howard County, Iowa, USA
Polish:
Hrabstwo Howard, Iowa, Stany Zjednoczone
Portuguese:
Condado de Howard, Iowa, Estados Unidos
Romanian:
Comitatul Howard, Iowa, Statele Unite ale Americii
Sardinian:
contea de Howard, Iowa, Istados Unidos de Amèrica
Scottish Gaelic:
Howard County, Iowa, Na Stàitean Aonaichte
Serbian:
Округ Хауард, Ајова, Сједињене Америчке Државе
Serbo-Croatian:
Howard County, Iowa, Sjedinjene Američke Države
Swedish:
Howard County, Iowa, USA
Traditional Chinese:
霍華德縣, 埃奧華州, 美國
Turkish:
Howard, Iowa, Amerika Birleşik Devletleri
Ukrainian:
Говард, Айова, Сполучені Штати Америки
Urdu:
ہووارڈ کاؤنٹی، آئیووا, آئیووا, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Howard, Iowa, Chủng Quốc Hoa Kỳ
Waray:
Condado han Howard, Iowa, Estados Unidos
Western Punjabi:
ہاوورڈ کاؤنٹی, آئیووا, امریکہ


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

3 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Unclassified
ⓘ'Limonite'-

List of minerals for each chemical element

HHydrogen
Hⓘ GoethiteFe3+O(OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ CalciteCaCO3
Oⓘ DolomiteCaMg(CO3)2
Oⓘ GoethiteFe3+O(OH)
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
FeIron
Feⓘ GoethiteFe3+O(OH)

Fossils

There are 4 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences4
Youngest Fossil Listed444 Ma (Silurian)
Oldest Fossil Listed461 Ma (Middle Ordovician)
Stratigraphic Units
UnitNo. OccurrencesAge
Maquoketa3449.5 - 443.7 Ma (Paleozoic)
Maquoketa - Elgin1452 - 443.7 Ma (Paleozoic)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Grewingkia
genus		Animalia : Cnidaria : Anthozoa : Streptelasmatidae : Grewingkia452 - 443.7 Ma
Paleozoic
Hindia sphaeroidalis
species		Animalia : Porifera : Demospongea : Streptosclerophorida : Hindiidae : Hindia : Hindia sphaeroidalis460.9 - 449.5 Ma
Ordovician
Camellaspongia tumula
species		Animalia : Porifera : Demospongea : Lithistida : Astylospongiidae : Camellaspongia : Camellaspongia tumula460.9 - 449.5 Ma
Ordovician
Phialaspongia fossa
species		Animalia : Porifera : Demospongea : Lithistida : Astylospongiidae : Phialaspongia : Phialaspongia fossa460.9 - 449.5 Ma
Ordovician
Fossil LocalitiesClick to show 1 fossil locality

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Howard_County,_Iowa
Wikidata ID:Q156647
GeoNames ID:4861232

Localities in this Region

USA

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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