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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![Romanèchite epi. Gypsum / Aragonite](/Files/Minerals/RomanchiteepiGypsumAragonite_1246_0_lg.jpg)
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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 dihydrogen dioxygen tetramanganese manganese decoxide *
Gypsum: Ca(SO4)·2H2O calcium sulfur oxygen (hydrous) *
Aragonite: Ca(CO3) calcium carbonate *
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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![Chalcedony](/Files/Minerals/Chalcedony_1191_0_sm.jpg) Astrophyllite![Astrophyllite](/Files/Minerals/Astrophyllite_524_sm.jpg) Quartz var. Smoky![Quartz var. Smoky](/Files/Minerals/QuartzvarSmoky_209_sm.jpg) Sphalerite / Calcite![Sphalerite / Calcite](/Files/Minerals/SphaleriteCalcite_1182_0_sm.jpg) Hematite![Hematite](/Files/Minerals/Hematite_156_sm.jpg) Quartz var. Smoky![Quartz var. Smoky](/Files/Minerals/QuartzvarSmoky_296_sm.jpg) |
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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