Crocobelonite (original) (raw)

A valid IMA mineral species

About CrocobeloniteHide

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Colour:

saffron red to pinkish red

Specific Gravity:

3.555 (Calculated)

Crystal System:

Orthorhombic

Name:

From Greek κρόκος (saffron) and βελόνα 81 (needle), for the orange-red colour and prismatic to acicular habit of its crystals.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:54653:5

e307084a-acbf-4cf7-9542-03dca837d65c

IMA Classification of CrocobeloniteHide

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Classification of CrocobeloniteHide

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8.AC.

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Physical Properties of CrocobeloniteHide

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Colour:

saffron red to pinkish red

Comment:

single crystals exhibit distinct dichroism from pink-red to deep-red

Cleavage:

Perfect
In two directions for Crocobelonite-2O and one direction for Crocobelonite-1M

Density:

3.555 g/cm3 (Calculated)

Comment:

for Crocobelonite-2O

Optical Data of CrocobeloniteHide

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RI values:

_n_α = 1.885(5) _n_β = 1.885(5) _n_γ = 1.950

δ = 0.065

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Comments:

Y – pale-yellow, Z – deep brownish-orange

Comments:

From Crocobelonite-2O

Chemistry of CrocobeloniteHide

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Mindat Formula:

CaFe3+2O(PO4)2

Crystallography of CrocobeloniteHide

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Polytype:

Formula:

Crystal System:

Class (H-M)

Space Group:

Space Group Setting:

Cell Parameters:

Ratio:

Unit Cell Volume (calc):

Z:

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Comments:

From Type Description of Crocobelonite-2O.

Geological EnvironmentHide

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Type Occurrence of CrocobeloniteHide

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General Appearance of Type Material:

irregular dense segregations up to 0.5 mm

Place of Conservation of Type Material:

Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5559/1 crocobelonite-2O

Geological Setting of Type Material:

Diopside paralava and appear as nests and schlieren up to 30 cm in size situated in brown to red-colored hornfels.

Associated Minerals at Type Locality:

Synonyms of CrocobeloniteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for CrocobeloniteHide

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References for CrocobeloniteHide

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Reference List:

Britvin, Sergey N., Murashko, Mikhail N., Krzhizhanovskaya, Maria G., Vlasenko, Natalia S., Vereshchagin, Oleg S., Vapnik, Yevgeny, Bocharov, Vladimir N. (2023) Crocobelonite, CaFe3+2(PO4)2O, a new oxyphosphate mineral, the product of pyrolytic oxidation of natural phosphides. American Mineralogist, 108 (10) 1973-1983 doi:10.2138/am-2022-8757

Localities for CrocobeloniteHide

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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.