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Hydroxylherderite (Hydroxylherderit)

Pictures (43 Images total)

Hydroxylherderit
Views (File:
1260706607
): 2903
Hydroxylherderit
Größe: 37x28x25 mm; Fundort: Xanda Mine, Virgem da Lapa, Fluss Jequitinhonha, Minas Gerais, Brasilien
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Jequitinhonha, Fluss/Virgem da Lapa/Xanda Mine (Xandra Mine)
Mineral: Hydroxylherderite
Image: 1260706607
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Hydroxylherderit

Größe: 37x28x25 mm; Fundort: Xanda Mine, Virgem da Lapa, Fluss Jequitinhonha, Minas Gerais, Brasilien
Copyright: Rob Lavinsky
Contribution: slugslayer 2009-12-13
Locality: Xanda Mine (Xandra Mine) / Virgem da Lapa / Jequitinhonha, Fluss / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Hydroxylherderit x
Views (File:
1103456056
): 1567, Rating: 7.5
Hydroxylherderit x
Größe: ca. 3 mm; Fundort: Virgem da Lapa, Minas Gerais, Brasilien
Copyright: berthold; Contribution: Mineralienatlas
Collection: berthold
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Jequitinhonha, Fluss/Virgem da Lapa
Mineral: Hydroxylherderite
Image: 1103456056
Rating: 7.5 (votes: 4)
License: Usage for Mineralienatlas project only
Hydroxylherderit x

Größe: ca. 3 mm; Fundort: Virgem da Lapa, Minas Gerais, Brasilien
Collection: berthold
Copyright: berthold
Contribution: Mineralienatlas 2004-12-19
Locality: Virgem da Lapa / Jequitinhonha, Fluss / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Hydroxylherderit auf Topas
Views (File:
1265762575
): 2628, Rating: 8
Hydroxylherderit auf Topas
Größe: 30x29x22 mm; Fundort: Dassu, Shigar-Tal, Skardu-Distrikt, Nordgebiete, Pakistan
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: Pakistan/Gilgit-Baltistan (Nordgebiete; Northern Areas)/Skardu, Distrikt/Shigar-Tal/Dassu (Dasso; Dusso)
Mineral: Hydroxylherderite, Topaz
Image: 1265762575
Rating: 8 (votes: 4)
License: Usage for Mineralienatlas project only
Hydroxylherderit auf Topas

Größe: 30x29x22 mm; Fundort: Dassu, Shigar-Tal, Skardu-Distrikt, Nordgebiete, Pakistan
Copyright: Rob Lavinsky
Contribution: slugslayer 2010-02-10
Locality: Dassu (Dasso; Dusso) / Shigar-Tal / Skardu, Distrikt / Gilgit-Baltistan (Nordgebiete; Northern Areas) / Pakistan
Hydroxylherderit und Turmalin (Elbait)
Views (File:
1307866990
): 12562
Hydroxylherderit und Turmalin (Elbait)
Größe: 67x39 mm; Fundort: Virgem da Lapa, Minas Gerais, Brasilien
Copyright: Rock Currier; Contribution: slugslayer
Collection: Richard Kosnar
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/São Sebastião do Maranhão
Mineral: Elbaite, Hydroxylherderite
Image: 1307866990
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Hydroxylherderit und Turmalin (Elbait)  D

Größe: 67x39 mm; Fundort: Virgem da Lapa, Minas Gerais, Brasilien
Collection: Richard Kosnar
Copyright: Rock Currier
Contribution: slugslayer 2011-06-12
Locality: São Sebastião do Maranhão / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Hydroxylherderit
Views (File:
1307874813
): 619
Hydroxylherderit
Größe: 92x39 mm; Fundort: Virgem da Lapa, Minas Gerais, Brasilien
Copyright: Rock Currier; Contribution: slugslayer
Collection: Dave Wilber
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Jequitinhonha, Fluss/Virgem da Lapa
Mineral: Hydroxylherderite
Image: 1307874813
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Hydroxylherderit

Größe: 92x39 mm; Fundort: Virgem da Lapa, Minas Gerais, Brasilien
Collection: Dave Wilber
Copyright: Rock Currier
Contribution: slugslayer 2011-06-12
Locality: Virgem da Lapa / Jequitinhonha, Fluss / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Hydroxylherderit, Topas
Views (File:
1307808415
): 1190
Hydroxylherderit, Topas
Größe: 51x24 mm; Fundort: Blue Chihuahua Mine, Cooper Canyon District, Riverside Co., Kalifornien, USA
Copyright: Rock Currier; Contribution: slugslayer
Collection: Robert Bartsch
Location: USA/Kalifornien (California)/Riverside Co./Copper Canyon District/Blue Chihuahua Mine (Blue Dog)
Mineral: Hydroxylherderite, Topaz
Image: 1307808415
Rating: 7.33 (votes: 3)
License: Usage for Mineralienatlas project only
Hydroxylherderit, Topas

Größe: 51x24 mm; Fundort: Blue Chihuahua Mine, Cooper Canyon District, Riverside Co., Kalifornien, USA
Collection: Robert Bartsch
Copyright: Rock Currier
Contribution: slugslayer 2011-06-11
Locality: Blue Chihuahua Mine (Blue Dog) / Copper Canyon District / Riverside Co. / Kalifornien (California) / USA

You find additional Hydroxylherderit specimen at the Geolitho Museum

Collectors Summary

Color blau, blau grün, farblos, grünlichweiß, weiß
Streak color weiß
Hardness (Mohs) 5.25
Solubility +++ Säuren
Crystal System monoklin, P21/a

Chemism

Chemical formula

CaBe(PO4)(OH)

Chemical composition

Beryllium, Calcium, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 161.0694405 u; Number of atoms in the formula: 9

Info

Empirical formula:

CaBe(PO4)(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.63

1

11.11

1.0079470

1.0079470
Beryllium

Be

5.60

1

11.11

9.0121823

9.0121823
Oxygen

O

49.67

5

55.56

15.9994300

79.9971500
Phosphorus

P

19.23

1

11.11

30.9737612

30.9737612
Calcium

Ca

24.88

1

11.11

40.0784000

40.0784000

Analysis wt%

CaO : 32.24, BeO : 16.50, P2O5 : 39.74, H2O : 7.97, F : 0.87, MgO : 0.76, Al2O3 : 0.59 (Ref: Zeitschrift ür Kristallographie 36)

Strunz 9th edition incl. updates

8.BA.10

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
A: Mit kleinen und mittelgroßen [Kationen]
10:Herderit-Gruppe

Lapis Classification

VII/B.01-020

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
B: Wasserfreie Phosphate, mit fremden Anionen F,Cl,O,OH
1: Sehr kleine Kationen: Li-Be

Classification by Hölzel

8.BA.300

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
A: Phosphates, C Be,Li
3: Be-Phosphates, C large Herderite-Group

Dana 8th edition

41.05.04.02

41: Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
05: Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen where (A B)2 (XO4) Zq
04: Herderite Group

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Gadolinite supergroup  ⇒ Herderite group  ⇒ Herderite subgroup

Optical Properties

Color

blau, blau grün, farblos, grünlichweiß, weiß

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.029
Birefringence chart\! Hydroxylherderite title=Birefringence chart Hydroxylherderite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.615

RI value β

1.634

RI value γ / ε

1.644

Ri mean

1.631

2V angle

Biaxial (-) 77°

Optical Data Luminescence

Color SW-UV (254nm)

  

gelblich weiß

SW-UV Other Colors

      

blassgelb, grünlich weiß, gelblich

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell parameters a (Å)

4.80

Cell parameters b (Å)

7.68

Cell parameters c (Å)

9.80

Cell parameters a/b or c/a

0.625

Cell parameters c/b

1.276

Cell parameters α

90°

Cell parameters β

90.0

Cell parameters γ

90°

Z

4

Volumne (ų)

361.267

X-Ray Powder Diffraction

3.763(20),
3.433(30),
3.135(100),
2.998(30),
2.868(40),
2.550(20),
2.210(30),
1.996(20)
XRD chart Hydroxylherderite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.25

VHN (Hardness Vickers)

470 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.94

2.961 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

Preface

Author (Name, Year)

Penfield, 1894

References

Handbook of Mineralogy (Anthony et al.), 4 (2000), 256

IMA group assignments

 
Gadolinite supergroup
 
 
 

 
 
Herderite group
 
 
 

 
 
 
Herderite subgroup
 
 
 

 
 
 
 
Bergslagite
CaBe(AsO4)(OH)
monoklin
P21/c

 
 
 
 
Herderite
CaBe(PO4)F
monoklin
P21/a

 
 
 
 
Hydroxylherderite
CaBe(PO4)(OH)
monoklin
P21/a

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Actuality: 25. Mar 2023 - 00:02:12

Other languages

Spanish

Hidroxilherderita

German

Hydroxylherderit

French

Hydroxylherderite

English

Hydroxylherderite

Russian

Гидроксилгердерит

Simplified Chinese

羟磷铍钙石

old name

English

Hydroxyl-herderite

Alternative Name

Hydro-fluorherderite

Hydro-herderite

English

Hydroherderite

Spanish

Hydroxylherderita

CNMNC symbol

Symbol

Hhd

Locations with GPS information