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Geary Road occurrence, Sunol, Alameda County, California, USAi
Regional Level Types
Geary Road occurrenceOccurrence
SunolCensus-designated Place
Alameda CountyCounty
CaliforniaState
USACountry

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08757440017272302483924.jpg
Actinolite

Geary Road occurrence, Sunol, Alameda County, California, USA
08757440017272302483924.jpg
Actinolite

Geary Road occurrence, Sunol, Alameda County, California, USA
08757440017272302483924.jpg
Actinolite

Geary Road occurrence, Sunol, Alameda County, California, USA
Latitude & Longitude (WGS84):
37° 30' 20'' North , 121° 48' 51'' West
Latitude & Longitude (decimal):
37.50583,-121.81444
GeoHash:
G#: 9q9mk59rm
GRN:
N26W69
Type:
Occurrence
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Sunol913 (2011)11.8km
Milpitas77,604 (2017)11.9km
East Foothills8,269 (2011)13.9km
Alum Rock15,536 (2018)15.6km
Fremont232,206 (2017)16.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Santa Clara Valley Gem & Mineral SocietySan Jose, California20km
Livermore Valley LithophilesLivermore, California20km
Mineral & Gem Society of Castro ValleyHayward, California30km
Peninsula Gem & Geology Society, Inc.Los Altos, California30km
East Bay Mineral and Lapidary ClubHayward, California31km
Mindat Locality ID:
216124
Long-form identifier:
mindat:1:2:216124:5
GUID (UUID V4):
0


An occurrence along Geary Road about 11.8 km (7.3 miles) SSE of Sunol near the boundary between secs. 12 & 13, T5S, R1E, MDM, on wilderness land (Sunol Regional Wilderness).

NOTE: Coordinates provided are approximate to the center boundary between secs. 12 & 13.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
Description: Occurs as nearly transaparent crystals 3 to 4 mm long.
ⓘ Quartz
Formula: SiO2
Habit: Bipyramidal
Description: Occurs as crystals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘAlbite9.FA.35Na(AlSi3O8)

List of minerals for each chemical element

OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ QuartzSiO2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ QuartzSiO2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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.

References

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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