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Cilayang village (Kali Maya), Lebak Regency, Banten Province, Indonesiai
Regional Level Types
Cilayang village (Kali Maya)- not defined -
Lebak RegencyRegency
Banten ProvinceProvince
IndonesiaCountry

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Key
Latitude & Longitude (WGS84):
6° 55' 3'' South , 106° 23' 31'' East
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Pelabuhanratu43,001 (2018)19.2km
Cicurug88,965 (2012)45.7km


Curuk Bitung District
Some 8 opal mines around the village.
Pits were found around the village while Kali Maya actually is the name that local people use to describe Precious Javanese opal.
Mines are between 106° to 106° 50' East and 6° 50' to 7° 0'South

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Cristobalite
Formula: SiO2
Reference: Sun, T. T., Mok, P. C., Paul, S. L., Paramita, M., Arps, C. E., Atichat, W., ... & Wijaya, K. (2008). Precious Opal from Java (Gemmological properties, micro-and nano-structures) Date: 10-05-2008.
Opal
Formula: SiO2 · nH2O
Reference: Extra Lapis - English No. 10 Opal; Sun, T. T., Mok, P. C., Paul, S. L., Paramita, M., Arps, C. E., Atichat, W., ... & Wijaya, K. (2008). Precious Opal from Java (Gemmological properties, micro-and nano-structures) Date: 10-05-2008.
Opal var: Black Opal
Formula: SiO2 · nH2O
Reference: Sun, T. T., Mok, P. C., Paul, S. L., Paramita, M., Arps, C. E., Atichat, W., ... & Wijaya, K. (2008). Precious Opal from Java (Gemmological properties, micro-and nano-structures) Date: 10-05-2008.
Opal var: Jelly Opal
Formula: SiO2 · nH2O
Reference: Sun, T. T., Mok, P. C., Paul, S. L., Paramita, M., Arps, C. E., Atichat, W., ... & Wijaya, K. (2008). Precious Opal from Java (Gemmological properties, micro-and nano-structures) Date: 10-05-2008.
Opal var: Precious Opal
Formula: SiO2 · nH2O
Reference: Extra Lapis - English No. 10 Opal; Sun, T. T., Mok, P. C., Paul, S. L., Paramita, M., Arps, C. E., Atichat, W., ... & Wijaya, K. (2008). Precious Opal from Java (Gemmological properties, micro-and nano-structures) Date: 10-05-2008.
'Petrified Wood'
Reference: Extra Lapis - English No. 10 Opal
Tridymite
Formula: SiO2
Reference: Sun, T. T., Mok, P. C., Paul, S. L., Paramita, M., Arps, C. E., Atichat, W., ... & Wijaya, K. (2008). Precious Opal from Java (Gemmological properties, micro-and nano-structures) Date: 10-05-2008.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Cristobalite4.DA.15SiO2
Opal4.DA.10SiO2 · nH2O
var: Black Opal4.DA.10SiO2 · nH2O
var: Jelly Opal4.DA.10SiO2 · nH2O
var: Precious Opal4.DA.10SiO2 · nH2O
Tridymite4.DA.10SiO2
Unclassified Minerals, Rocks, etc.
'Petrified Wood'-

List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Cristobalite75.1.1.1SiO2
Tridymite75.1.2.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
var: Black Opal-SiO2 · nH2O
var: Jelly Opal-SiO2 · nH2O
var: Precious Opal-SiO2 · nH2O
'Petrified Wood'-

List of minerals for each chemical element

HHydrogen
H Opal (var: Precious Opal)SiO2 · nH2O
H OpalSiO2 · nH2O
H Opal (var: Jelly Opal)SiO2 · nH2O
H Opal (var: Black Opal)SiO2 · nH2O
OOxygen
O Opal (var: Precious Opal)SiO2 · nH2O
O OpalSiO2 · nH2O
O CristobaliteSiO2
O TridymiteSiO2
O Opal (var: Jelly Opal)SiO2 · nH2O
O Opal (var: Black Opal)SiO2 · nH2O
SiSilicon
Si Opal (var: Precious Opal)SiO2 · nH2O
Si OpalSiO2 · nH2O
Si CristobaliteSiO2
Si TridymiteSiO2
Si Opal (var: Jelly Opal)SiO2 · nH2O
Si Opal (var: Black Opal)SiO2 · nH2O

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Sun, T. T., Mok, P. C., Paul, S. L., Paramita, M., Arps, C. E., Atichat, W., ... & Wijaya, K. (2008). Precious Opal from Java (Gemmological properties, micro-and nano-structures) Date: 10-05-2008.

Other Regions, Features and Areas containing this locality

AsiaContinent
Indonesia
Sunda PlateTectonic Plate

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.
 
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