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Mt Ida, Montgomery Co., Arkansas, USA

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Quartz Crystal Capital of the World

Mt Ida, Montgomery Co., Arkansas, USA
Work in the Clear Creek Mine

Mt Ida, Montgomery Co., Arkansas, USA
Latitude & Longitude (WGS84): 34° 33' 24'' North , 93° 38' 2'' West
Latitude & Longitude (decimal): 34.55667,-93.63389
GeoHash:G#: 9yjkt6cgh
Locality type:Mountain
Köppen climate type:Cfa : Humid subtropical climate

A number of quartz crystal mines are found in the vicinity.

At Rock Currier reports "James Zigras who is involved in quartz and wavellite mining in Arkansas and he says that the four images of wavellite (posted at this locality) are from Mauldin Mountain Quarries, Mauldin Mt., Montgomery Co., Arkansas, USA...." James "says, and has confirmed with Shane Manley, a long time digger of quartz and wavellite in Arkansas, that the Mount Ida Mountain Mine, Mt Ida, Montgomery Co., Arkansas, USA was only a quartz mine and never produced wevellite and that this mine operated a long time ago and that it is unlikely that any of the quartz specimens pictured actually came from that mine."

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

Mount Ida, Arkansas

Select Mineral List Type

Standard Detailed Strunz Dana 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

5 valid minerals. 2 erroneous literature entries.

Detailed Mineral List:

Formula: CaCO3
Formula: Al2(Si2O5)(OH)4
Formula: α-Fe3+O(OH)
'K Feldspar'
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Formula: Al6(PO4)2(HPO4)2(OH)8 · 4 H2O
Reference: Martins da Pedra collection
Formula: SiO2
Reference: Smith, Arthur E. Jr. (1996) Collecting Arkansas Minerals. L. Ream Publishing, Idaho 149p
Quartz var: Arkansas Candle
Formula: SiO2
Quartz var: Rock Crystal
Formula: SiO2
Reference: Smith, Arthur E. Jr. (1996) Collecting Arkansas Minerals. L. Ream Publishing, Idaho 149p
Quartz var: Smoky Quartz
Formula: SiO2
'commodity:Quartz crystal'
Formula: FeCO3
Formula: Al3(PO4)2(OH,F)3 · 5H2O
Reference: Collection of Alex Earl

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
var: Arkansas Candle4.DA.05SiO2
var: Rock Crystal4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Group 8 - Phosphates, Arsenates and Vanadates
Planerite ?8.DD.15Al6(PO4)2(HPO4)2(OH)8 · 4 H2O
Wavellite ?8.DC.50Al3(PO4)2(OH,F)3 · 5H2O
Group 9 - Silicates
Unclassified Minerals, Rocks, etc.
K Feldspar-
'var: Adularia'-KAlSi3O8

List of minerals arranged by Dana 8th Edition classification

Planerite ? · 4 H2O
Wavellite ?,F)3 · 5H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Unclassified Minerals, Rocks, etc.
'K Feldspar'-
'var: Adularia'-KAlSi3O8
var: Arkansas Candle
var: Rock Crystal-SiO2
var: Smoky Quartz-SiO2

List of minerals for each chemical element

H DickiteAl2(Si2O5)(OH)4
H Goethiteα-Fe3+O(OH)
H PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
H WavelliteAl3(PO4)2(OH,F)3 · 5H2O
C CalciteCaCO3
C SideriteFeCO3
O K Feldspar (var: Adularia)KAlSi3O8
O Quartz (var: Arkansas Candle)SiO2
O CalciteCaCO3
O DickiteAl2(Si2O5)(OH)4
O Goethiteα-Fe3+O(OH)
O PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
O QuartzSiO2
O Quartz (var: Rock Crystal)SiO2
O SideriteFeCO3
O Quartz (var: Smoky Quartz)SiO2
O WavelliteAl3(PO4)2(OH,F)3 · 5H2O
F WavelliteAl3(PO4)2(OH,F)3 · 5H2O
Al K Feldspar (var: Adularia)KAlSi3O8
Al DickiteAl2(Si2O5)(OH)4
Al PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
Al WavelliteAl3(PO4)2(OH,F)3 · 5H2O
Si K Feldspar (var: Adularia)KAlSi3O8
Si Quartz (var: Arkansas Candle)SiO2
Si DickiteAl2(Si2O5)(OH)4
Si QuartzSiO2
Si Quartz (var: Rock Crystal)SiO2
Si Quartz (var: Smoky Quartz)SiO2
P PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
P WavelliteAl3(PO4)2(OH,F)3 · 5H2O
K K Feldspar (var: Adularia)KAlSi3O8
Ca CalciteCaCO3
Fe Goethiteα-Fe3+O(OH)
Fe SideriteFeCO3

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

251.902 - 541 Ma

ID: 3187973
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 541 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Middle Ordovician
458.4 - 470 Ma

ID: 2860715
Womble Shale (Middle Ordovician)

Age: Middle Ordovician (458.4 - 470 Ma)

Stratigraphic Name: Womble Shale

Description: 80% black shale with thin beds of limestone and sandstone. Approximatly 2500 ft. maximum thickness.

Comments: Original map source: Haley, B.R., Queen, J.E., and Green, G.N., United States Geological Survey Special Publication, 2000, The Geologic map of Arkansas, scale 1:500,000.

Lithology: Major:{black shale}, Minor:{limestone,sandstone}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

Localities in this Region
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