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Unspecified Cr occurrence [2], Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 36° North , 120° West (est.)
Margin of Error:~24km
Locality type:Occurrence
Köppen climate type:Csb : Warm-summer Mediterranean climate


A reported Cr occurrence at or near New Idria.

NOTE: This locality page was initiated by source(s) other than the USGS MRDS database; therefore, there is no MRDS file to cite.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


3 valid minerals.

Detailed Mineral List:

Chromite
Formula: Fe2+Cr3+2O4
Reference: Brush, G.J. (1866), New mineral localities; ouvarovite: American Journal of Science, 2nd. series: 42: 268; Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 183; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 136, 195.
'commodity:Chromium'
Formula: Cr
Reference:  
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Colour: Red
Description: Occurs with uvarovite on chromite.
Reference: Brush, G.J. (1866), New mineral localities; ouvarovite: American Journal of Science, 2nd. series: 42: 268; Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 183; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 136, 195.
Clinochlore var: Chromian Clinochlore
Formula: Mg5(Al,Cr)2Si3O10(OH)8
Colour: Red
Description: Occurs with uvarovite on chromite.
Reference: Brush, G.J. (1866), New mineral localities; ouvarovite: American Journal of Science, 2nd. series: 42: 268; Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 183; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 136, 195.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Colour: Light green
Reference: Becker, George F. (1888), Geology of the quicksilver deposits of the Pacific slope: USGS Monograph 13, atlas: 110; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 335.
'Serpentine Subgroup var: Marmolite'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Colour: Light green
Reference: Becker, George F. (1888), Geology of the quicksilver deposits of the Pacific slope: USGS Monograph 13, atlas: 110; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 335.
Uvarovite
Formula: Ca3Cr2(SiO4)3
Description: Occurs with chromian clinochlore on chromite.
Reference: Brush, G.J. (1866), New mineral localities; ouvarovite: American Journal of Science, 2nd. series: 42: 268; Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 183; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 136, 195.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Group 9 - Silicates
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var: Chromian Clinochlore9.EC.55Mg5(Al,Cr)2Si3O10(OH)8
'Uvarovite'9.AD.25Ca3Cr2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'var: Marmolite'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Uvarovite51.4.3b.3Ca3Cr2(SiO4)3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Unclassified Minerals, Rocks, etc.
var: Chromian Clinochlore-Mg5(Al,Cr)2Si3O10(OH)8
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'var: Marmolite'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
OOxygen
O Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
O ChromiteFe2+Cr23+O4
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O UvaroviteCa3Cr2(SiO4)3
MgMagnesium
Mg Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Al Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si UvaroviteCa3Cr2(SiO4)3
CaCalcium
Ca UvaroviteCa3Cr2(SiO4)3
CrChromium
Cr Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
Cr ChromiteFe2+Cr23+O4
Cr UvaroviteCa3Cr2(SiO4)3
MnManganese
Mn Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe ChromiteFe2+Cr23+O4
Fe Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Brush, G.J. (1866), New mineral localities; ouvarovite: American Journal of Science, 2nd. series: 42: 268.
Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 183.
Becker, George F. (1888), Geology of the quicksilver deposits of the Pacific slope: USGS Monograph 13, atlas: 110.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 136, 195, 335.


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