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Clinometaborite

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About ClinometaboriteHide

Formula:
HBO2
Colour:
colorless
Lustre:
Vitreous
Specific Gravity:
2.049 (Calculated)
Crystal System:
Monoclinic
Name:
Named for being a monoclinic modification of metaboric acid.
Dimorphous with metaborite.
Known as a synthetic phase.


Classification of ClinometaboriteHide

Approved
Approval Year:
2010

Physical Properties of ClinometaboriteHide

Vitreous
Transparency:
Translucent
Colour:
colorless
Comment:
chalky white after some months of exposure to open air.
Density:
2.049 g/cm3 (Calculated)

Chemical Properties of ClinometaboriteHide

Formula:
HBO2
IMA Formula:
HBO2

Crystallography of ClinometaboriteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/a
Cell Parameters:
a = 7.1215(3) Å, b = 8.8448(4) Å, c = 6.7665(3) Å
β = 93.2334(4)°
Ratio:
a:b:c = 0.805 : 1 : 0.765
Unit Cell V:
425.53 ų (Calculated from Unit Cell)
Z:
12
Morphology:
prismatic

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.752 (17)
3.552 (6)
3.219 (6)
3.179 (14)
3.074 (100)
1.848 (4)
1.818 (2)
1.695 (4)

Type Occurrence of ClinometaboriteHide

General Appearance of Type Material:
aggregates of stout crystals up to 2 mm long
Geological Setting of Type Material:
sublimate in an active medium-temperature intracrater fumarole
Associated Minerals at Type Locality:

Synonyms of ClinometaboriteHide

Other InformationHide

Special Storage/
Display Requirements:
chalky white after some months of exposure to open air.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for ClinometaboriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Campostrini, I., Demartin, F. and Gramaccioli, C.M. (2010) Clinometaborite, IMA 2010-022. CNMNC Newsletter, August 2010, page 799; Mineralogical Magazine, 74, 797—800.
Demartin, F., Gramaccioli, C. M., & Campostrini, I. (2011). Clinometaborite, natural β-metaboric acid, from La Fossa crater, Vulcano, Aeolian Islands, Italy. The Canadian Mineralogist, 49(5), 1273-1279.

Internet Links for ClinometaboriteHide

Localities for ClinometaboriteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Italy (TL)
 
  • Sicily
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
          • Vulcano Island
Campostrini, I., Demartin, F. and Gramaccioli, C.M. (2010) Clinometaborite, IMA 2010-022. CNMNC Newsletter, August 2010, page 799; Mineralogical Magazine, 74, 797—800.
Mineral and/or Locality  
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