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East of Round Mountain (Road to Terrys Mill), Round Mountain, East Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA

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Detailed Mineral List:

Analcime
Formula:	Na₂(Al₂Si₄O₁₂) · 2H₂O
Description:	Occurs in an amygdaloidal basalt.
Reference:	Melhase, John (1934), A diversity of many fine minerals available in California for collectors: Oregon Mineralogist: 2(6): 1; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 72, 127, 277; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 381.






'Chabazite'
Reference:	Melhase, John (1934), A diversity of many fine minerals available in California for collectors: Oregon Mineralogist: 2(6): 1; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 72, 127, 277; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 381.








Natrolite
Formula:	Na₂Al₂Si₃O₁₀ · 2H₂O
Description:	Occurs in basalt.
Reference:	Melhase, John (1934), A diversity of many fine minerals available in California for collectors: Oregon Mineralogist: 2(6): 1; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 72, 127, 277; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 381.






Tridymite
Formula:	SiO₂
Description:	Abundant in vesicular basalts.
Reference:	Melhase, John (1934), A diversity of many fine minerals available in California for collectors: Oregon Mineralogist: 2(6): 1; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 373.; Melhase, John (1934), A diversity of many fine minerals available in California for collectors: Oregon Mineralogist: 2(6): 1; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 72, 127, 277; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 381.

4 entries listed. 3 valid minerals.

References

Melhase, John (1934), A diversity of many fine minerals available in California for collectors: Oregon Mineralogist: 2(6): 1.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 72, 127, 277, 373.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 381.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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