Adelite — Wikipedia

Adelit [ first ] Category VIII  : phosphates, arséniates, vanadates [ 2 ]
General
Classe de Strunz	8.BH.35 8 PHOSPHATES, ARSENATES, VANADATES 8.B Phosphates, etc. with Additional Anions, without H2O 8.BH With medium-sized and large cations, (OH,etc.):RO4 = 1:1 8.BH.35 Austinite CaZn(AsO4)(OH) Space Group P 2 first 2 first 2 first Point Group 2 2 2 8.BH.35 Adelite CaMg(AsO4)(OH) Space Group P 2 first 2 first 2 first Point Group 2 2 2 8.BH.35 Duftite-alpha PbCu(AsO4)(OH) Space Group P 2 first 2 first 2 first Point Group 2 2 2 8.BH.35 Duftite-beta? PbCu(AsO4)(OH) Space Group P 2 first 2 first 2 first Point Group 2 2 2 8.BH.35 Contichalcite Cacu (Aso4) (Oh) Space Group P 2 first 2 first 2 first Point Group 2 2 2 8.BH.35 Gabrielsonite PbFe++(AsO4)(OH) Space Group P 2 first m Point Group mm2 8.BH.35 Nickelaustinite Ca (Ni, Zn) (ASO4) (OH) Space Group P 2 first 2 first 2 first Point Group 2 2 2 8.BH.35 Tangeite Cacu (VO4) (OH) Space Group P 2 first 2 first 2 first Point Group 2 2 2 8.BH.35 Cobaltaustinite CaCo(AsO4)(OH) Space Group P 2 first 2 first 2 first Point Group 2 2 2 8.BH.35 Arsendescloizite PBZN (ASO4) (OH) Space Group P 2 first 2 first 2 first Point Group 2 2 2 8.BH.35 Gottlobite Camg (VO4, ASO4) (Oh) Space Group P 2 first 2 first 2 first Point Group 2 2 2
DANA CLASS	41.05.01.01 after-content-x4 Phosphates, arseniates and vanadates 41. Phosphates sans H 2 O (with hydroxyl or halogen)
Chemical formula	Hascamgo 5 Ca Mg (AsO 4 ) (OH)
Identification
Mass form [ 3 ]	220.31 ± 0.006 One H 0,46 %, As 34,01 %, Ca 18,19 %, Mg 11,03 %, O 36,31 %,
Color	Colorless, gray, bluish gray, yellow, yellowish gray, pale green, pink
Crystalline class and space group	devhenoidic; P 2 first 2 first 2 first
Crystalline system	orthorhombique
Bravais network	Primitive p
Break	conchoidal, irregular
Habitus	elongated, massive, tabular
Mohs scale	5.00
Trait	blanc
Glow	coniferous
Optical properties
Refractive index	a=1.712, b=1.721, g=1.731
Briefing	biaxial (+) ; 0,0190
Dispersion	2 in With ~ 68 ° to 90 °
Fluorescence ultraviolet	none
Transparency	Transparent
Chemicals
Density	3.73
Solubility	In diluted acids
Physical properties
Magnetism	none
Radioactivity	none
SI & CNTP units, unless otherwise indicated.
modifier

Adelite is a mineral species made up of calcium and magnesium arsenate of formula CA MG (ASO ₄ ) (OH) _{. Les cristaux sont de petite taille et n’excèdent pas 5 mm^[4].}

History of the description and names [ modifier | Modifier and code ]

Inventor and etymology [ modifier | Modifier and code ]

Described by the Swedish mineralogist Sjogren in 1891 ^{[ 5 ]} . Of the Greek “adnaldz” = obscure, in allusion to its lack of transparency ^{[ 6 ]} .

Topotype [ modifier | Modifier and code ]

Synonymy [ modifier | Modifier and code ]

Varieties and mixtures [ modifier | Modifier and code ]

• Vanadian Adelite: Adelite rich in Vanadium of ideal formula: Camg ([AS, V] o ₄ ) (Oh), found in Germany.

Cristallochimie [ modifier | Modifier and code ]

• She forms a series with GOTTLOBITE (it) .
• Adelite serves as a leader for a group of isostructural minerals formed of Arsenate or Vanadate ^{[ 9 ]} .

Groupe de l’Aldélite – Decloizite

• Conventional mesh parameters: a = 7,525 To , b = 8.85 To , c = 5.85 To , Z = 4; V = 389.59 To ³
• Calculated density = 3.76

Associated gitology and minerals [ modifier | Modifier and code ]

Gîtology

In the metamorphism of the Fer-Manganese veins (Sweden)

In the Willite-Franklinite veins in the metamorphism of the zinc veins (Franklin, New Jersey, United States)

Associated minerals

Sarkinite, Arsenoclasite, Braunite, Hedyphane, Fredrikssonite (Langban, Sude)

Hausmannite, magnetite, copper (Kittel mine, Sweden)

Hodgkinsonite, barite, allactite, rhodochrosite, franklinite, willmite; Chlorophoenicite (Franklin, New Jersey, United States)

Alleghanyite, kraisslite, sphalerite, rhodochrosite, willmite, franklinite; Johnbaumite-Svabite, Zincite, Barytine, Calcite (Sterling Hill, New Jersey, United States).

Producer deposits of remarkable specimens [ modifier | Modifier and code ]

Happiness, Gottlob-Hügel, Friedrichroda, Thuringian Forest, Thuringia Pour La Vanadian Adelite ^{[ ten ]} .

Franklin Mine, Franklin, Franklin Mining District, county of Sussex, New Jersey ^{[ 11 ]}

My de Nordmark a Langban, Filipstad, Hotland Suède ^{[ twelfth ]} .