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Crystal Grove, Lassellsville, Town of Ephratah, Fulton County, New York, USAi
Regional Level Types
Crystal Grove- not defined -
Lassellsville- not defined -
Town of Ephratah- not defined -
Fulton CountyCounty
New YorkState
USACountry

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Latitude & Longitude (WGS84):
43° 3' 10'' North , 74° 38' 0'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Saint Johnsville1,732 (2011)7.3km
Dolgeville2,132 (2017)12.5km
Nelliston575 (2017)13.2km
Fort Plain2,248 (2017)13.5km
Caroga Lake518 (2017)15.5km
Mindat Locality ID:
36122
Long-form identifier:
mindat:1:2:36122:3
GUID (UUID V4):
0


The Crystal Grove Diamond Mine and Campground is a fee-for-collecting site in Fulton County, New York. It is about 4 miles northeast of St. Johnsville, which is in Montgomery County. The mailing address is 161 County Highway 114, St. Johnsville, NY 13452. GPS coordinates for the Office and Rock Shop are 43.0489, -74.6383. There are two main collecting pits:
• Tears of Wenedi Mine (43.0514, -74.6341)
• Black Diamond Mine (43.0506, -74.6333)

There is also a wooded trail called the Arrow Head Trail Mine with multiple pits and diggings. The Black Diamond Mine is noted for an abundance of hydrocarbon-included “Herkimer Diamond” quartz crystals. Also found are calcite (fluorescent magenta-pink under MW UV light), pink and gray saddles of dolomite, and clear quartz crystals.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz
var. "Herkimer-style" Quartz
4.DA.05SiO2
4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Unclassified
'Pyrobitumen'-

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O Quartz var. "Herkimer-style" QuartzSiO2
O QuartzSiO2
MgMagnesium
Mg DolomiteCaMg(CO3)2
SiSilicon
Si Quartz var. "Herkimer-style" QuartzSiO2
Si QuartzSiO2
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2

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

 
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