Museum Collection
This specimen is part of the museum collection catalog.
Not for Sale.
Romanèchite epi. Gypsum / Aragonite
Lavrion Mining Dist., Lavreotiki, East Attica, Greece
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| Classification |
Mineral |
| Tags |
Epimorph
Iridescent
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| Origin Location |
Lavrion Mining Dist., Lavreotiki, East Attica, Greece |
| Description |
A very cool looking epimorph (or cast) of romanèchite which had overgrown a long, slender, and since dissolved, gypsum crystal. The romanèchite also feature numerous tiny well-crystallized aragonite crystals peppered upon pone of the ,which are of high clarity and luster. The grayish submetallic romanèchite also displays a unique semi-iridescent luster, adding to the visual interest of this unusual mineral specimen. |
| Luster |
Submetallic |
| Luster (Groundmass) |
Not noted, see photo. |
| Optical Phenomena |
Not noted, see photo. |
| Mineral Group / Note |
Not noted, check reference links below. |
| Handling |
No special handling is required. |
| Modifications |
No modifications. |
| Size Group |
Miniature |
| Weight |
Not weighed precisely yet, please inquire. |
| Dimensions |
Not measured precisely yet, please inquire. |
| Quantity |
1 Specimen |
| Mineral List |
Romanèchite: (Ba,H2O)2(Mn4+,Mn3+)5O10
barium hydrogen dioxygen tetramanganese manganese decoxide *
Gypsum: Ca(SO4)·2H2O
calcium sulfur oxygen hydrogen oxide *
Aragonite: Ca(CO3)
calcium carbonate *
* 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
Chalcedony Astrophyllite Quartz var. Smoky Sphalerite / Calcite Hematite Quartz var. Smoky |
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):
coronadite
aragonite
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| Tools |
Edit Specimen
Search Wikipedia: Romanèchite epi. Gypsum (Wiki)
Search Mindat: Romanèchite epi. Gypsum
Search Web Mineral DB: Romanèchite epi. Gypsum
Search for Handbook of Mineralogy: Romanèchite epi. Gypsum
Search Wikipedia: Aragonite (Wiki)
Search Mindat: Aragonite
Search Web Mineral DB: Aragonite
Search for Handbook of Mineralogy: Aragonite
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