Hydroxylherderite Mineral Data (original) (raw)

General Hydroxylherderite Information

Help on Chemical Formula: Chemical Formula:

CaBe(PO4)(OH)

Help on Composition: Composition:

Molecular Weight = 161.07 gm

Calcium 24.88 % Ca 34.82 % CaO

Beryllium 5.60 % Be 15.53 % BeO

Phosphorus 19.23 % P 44.06 % P2O5

Hydrogen 0.63 % H 5.59 % H2O

Oxygen 49.67 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

CaBe(PO4)(OH)

Help on Environment: Environment:

Pegmatitic rocks.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1894

Help on Locality: Locality:

Paris, Maine, USA. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the composition and relationship to herderite.

Help on Name Pronunciation: Name Pronunciation:

Hydroxylherderite Say HYDROXYLHERDERITE

Help on Synonym: Synonym:

Hydroxyl-herderite - Renamed Hydroxylherderite by Mineralogical Record, v39 (2008), p131

ICSD 67601

PDF 34-147

Hydroxylherderite Image

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Hydroxylherderite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =1.2777:1:0.6295

Help on Cell Dimensions: Cell Dimensions:

a = 9.802, b = 7.671, c = 4.829, Z = 4; beta = 90.01° V = 363.10 Den(Calc)= 2.95

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.135(1), 2.868(0.45), 3.433(0.35),

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| | Forms:( 0 1 1) ( 1 1 0) ( 1 1 1) ( 0 0 1) Warning: this large pop-up is very compute intensive and may not work well with some computers. | | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |

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| | Lager G A , Gibbs G V , American Mineralogist , 59 (1974) p.919-925, A refinement of the crystal structure of herderite, CaBePO4OH | | ------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Hydroxylherderite

Help on Cleavage: Cleavage:

{110} Indistinct

Help on Color: Color:

Blue, Blue green, Colorless, Greenish white, White.

Help on Density: Density:

2.94

Help on Diaphaneity: Diaphaneity:

Transparent to Translucent

Help on Fracture: Fracture:

Sub Conchoidal - Fractures developed in brittle materials characterized by semi-curving surfaces.

Help on Hardness: Hardness:

5-5.5 - Apatite-Knife Blade

Help on Luminescence: Luminescence:

Fluorescent, Short UV=yellow-white.

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

white

Optical Properties of Hydroxylherderite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.001 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.003 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2095,KPDmeas= 0.2102,KC= 0.21
Ncalc = 1.62

Help on Optical Data: Optical Data:

Biaxial (-), a=1.601, b=1.622, g=1.631, bire=0.0300, 2V(Calc)=64, 2V(Meas)=70.

Calculated Properties of Hydroxylherderite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.92 gm/cc
note: Specific Gravity of Hydroxylherderite =2.94 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Help on Photoelectric: Photoelectric:

PEHydroxylherderite = 4.05 barns/electron
U=PEHydroxylherderite x rElectron Density= 11.81 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hydroxylherderite is Not Radioactive

Hydroxylherderite Classification

Help on Dana Class: Dana Class:

41.05.04.02 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen

(41.05)where (A B)2 (XO4) Zq

(41.05.04)Herderite Group

41.05.04.01 Herderite CaBe(PO4)F P 21/a 2/m

41.05.04.02 Hydroxylherderite CaBe(PO4)(OH) P 21/a 2/m

41.05.04.03 Vayrynenite MnBe(PO4)(OH,F) P 21/a 2/m

41.05.04.04 Bergslagite CaBe(AsO4)(OH) P 21/c 2/m

Help on Strunz Class: Strunz Class:

08.BA.10 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BA -With small and medium-sized cations

08.BA.10 Bergslagite CaBe(AsO4)(OH) P 21/c 2/m

08.BA.10 Herderite CaBe(PO4)F P 21/a 2/m

08.BA.10 Hydroxylherderite CaBe(PO4)(OH) P 21/a 2/m

Other Hydroxylherderite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Collectors Book of Fluorescent Minerals) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

Help on See Also: See Also:

Links to other databases for Hydroxylherderite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Hydroxylherderite Specimen Label here :

Hydroxylherderite

CaBe(PO4)(OH)
Dana No: 41.05.04.02 Strunz No: 08.BA.10
Locality:

Notes: