Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Agate from
Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA


00303140017272015556786.jpg
Agate

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
02928030017404609195884.jpg
Agate, etc.

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
07909260017864809582765.jpg
Agate

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
06265200017360513096806.jpg
Agate

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
03454880017864809298569.jpg
Agate

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
02066990017404565902230.jpg
Agate, etc.

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
08083240017363493782842.jpg
Agate

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
05990330017363493797273.jpg
Agate

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
00303140017272015556786.jpg
Agate

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
02928030017404609195884.jpg
Agate, etc.

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
00959460017272013969444.jpg
Agate

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
06265200017360513096806.jpg
Agate

Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
Locality type:Lava Flow
Classification
Species:Quartz var: Agate
Formula:SiO2
Habit:Nodular in form, found as beach pebbles or as amygdules in basalt.
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chamosite6
Quartz5
Olivine basalt4
Sandstone3
Mudstone3
Manganese Oxides2
Siltstone1
Data
Mineral Data:Click here to view Agate data
Locality Data:Click here to view Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
Photo GalleryView Gallery (40 photos)
Data Identifiers
Mindat Occurrence Record ID:834743
Long-form Identifier:1:3:834743:5
GUID (UUID V4):0
Nearest other occurrences of Agate
2.9km (1.8 miles) ⓘCopper Harbor, Grant Township, Keweenaw County, Michigan, USA
3.5km (2.2 miles) ⓘBrockway Mountain, Eagle Harbor Township, Keweenaw County, Michigan, USA
5.8km (3.6 miles) ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
9.4km (5.8 miles) ⓘHorseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
9.9km (6.1 miles) ⓘEsrey Park, Eagle Harbor Township, Keweenaw County, Michigan, USA
10.0km (6.2 miles) ⓘAgate Harbor, Eagle Harbor Township, Keweenaw County, Michigan, USA
11.0km (6.8 miles) ⓘBete Grise Bay, Bete Grise, Grant Township, Keweenaw County, Michigan, USA
16.7km (10.3 miles) ⓘHigh Rock Bay, Grant Township, Keweenaw County, Michigan, USA
17.0km (10.5 miles) ⓘEagle Harbor Marina, Eagle Harbor Township, Keweenaw County, Michigan, USA
17.9km (11.1 miles) ⓘKeweenaw Point, Grant Township, Keweenaw County, Michigan, USA
References
Larry Maltby
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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