Museum Collection
This specimen is part of the museum collection catalog.
Not for Sale.
Opal
Welo, Ethiopia
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| Classification |
Mineraloid |
| Tags |
No special tags. |
| Origin Location |
Welo, Ethiopia |
| Description |
Several small fragments of opal |
| Luster |
Resinous |
| Luster (Groundmass) |
Not noted, see photo. |
| Optical Phenomena |
Opalescent |
| Mineral Group / Note |
Silica Mineraloid |
| Handling |
No special handling is required. |
| Modifications |
No modifications. |
| Size Group |
Thumbnail |
| Weight |
Not weighed precisely yet, please inquire. |
| Dimensions |
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| Quantity |
1 Specimen |
| Mineral List |
Opal: SiO2·nH2O
silicon oxygen hydrogen oxide *
* Formula chemical names are auto-generated - may be incorrect on complex formulas.
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Specimen Analysis |
Color Table
Colors found in this specimen image are shown below. Higher number indicates greater concentration of that color.
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Similarly Colored Minerals:
Minerals with similar color profiles are shown below.
How it Works
Fluorite  Quartz Baryte Calcite var. Dogtooth Siderite on Quartz Scheelite |
Elements in this Specimen:
Elements that are part of the official chemical structure of the minerals occurring in this specimen are indicated below.
How it Works
Element List:
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Minerals with Similar Chemistry:
Minerals that are similar in terms of their chemical makeup are shown below.
How it Works
This Mineral Formula Similar Mineral Formula
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Mineral Group:
Search the catalog for minerals that share the same group as this specimen:
How it Works
Structural Group(s):
Fleischers Group(s):
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| Tools |
Edit Specimen
Search Wikipedia: Opal (Wiki)
Search Mindat: Opal
Search Web Mineral DB: Opal
Search for Handbook of Mineralogy: Opal
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