Latitude & Longitude (WGS84):
37° 56' 33'' North , 117° 24' 58'' West
Latitude & Longitude (decimal):
Mindat Locality ID:
428987
Long-form identifier:
mindat:1:2:428987:9
Other/historical names associated with this locality:
Blue Jay Mine; Blue Jay Mining Lode; Blue Jay No. 1-4 Claims, Valley View
Complex Folding And Faulting Of Shale
Alteration: Argillization, Silicification.
Commodity: Colors range from pale to dark solid blue, without green tints; hard (up to 7.0); also spider-web turquoise
Deposit: Most turquoise is within 40-ft wide zone of numerous shears, associated with minor argillization and silicification.
Development: Originally prospected for copper. Hand hired 2 miners (jack montgomery & al stevens) to mine in 1920's; in 1927 he leased the property to bert kopenhaver, who sank a shaft on the vein. In 1928, hand sold a half interest to "doc" wilson and the shaft was deepened to 85 ft. In 1935 hand sold his remaining half interest to wilson. Stones were shipped to sangabriel where they were cut. The largest nugget from the mine was 4 in by 3 in by 0.75 in.
Rock formation(s): Palmetto (Calcargous Shale Member)
Ore(s): Multiple Shear Zone, Thrust Fault
Select Mineral List Type
Standard
Detailed Gallery
Strunz
Chemical Elements
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
1 valid mineral.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 8 - Phosphates, Arsenates and Vanadates |
|---|
| ⓘ | Turquoise | 8.DD.15 | CuAl6(PO4)4(OH)8 · 4H2O |
List of minerals for each chemical element
Other Databases
Other Regions, Features and Areas containing this locality
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
Mindat.org® is an outreach project of the
Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are
© OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by
Jolyon Ralph and Ida Chau.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844.
doi:10.2138/am-2024-9486.
Privacy Policy -
Terms & Conditions -
Contact Us / DMCA issues -
Report a bug/vulnerability
Current server date and time: April 4, 2026 10:11:33
Page updated: August 21, 2025 12:33:53
