IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Bostwickite

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About BostwickiteHide

Richard Bostwick
Formula:
CaMn6Si3O16 · 7H2O
Colour:
Brownish red
Lustre:
Sub-Vitreous, Greasy, Silky
Hardness:
1
Specific Gravity:
2.93
Crystal System:
Orthorhombic
Name:
Named in 1983 by Pete J. Dunn and Peter B. Leavens in honor of Richard "Dick" Bostwick [January 19, 1943 - ], author, editor, lecturer, and prominent mineral collector, with a particular emphasis concerning fluorescent minerals. He is a past President of the Franklin-Ogdensburg Mineralogical Society, board member of the Franklin Mineral Museum, former hard rock miner in the Sterling Mine, NJ), and regional Vice President of the Fluorescent Mineral Society.
Brownish red Bronzey acicular crystals.


Classification of BostwickiteHide

Approved
Approval Year:
1983
9.HC.10

9 : SILICATES (Germanates)
H : Unclassified silicates
C : With Mn, Fe
78.7.1.1

78 : Unclassified Silicates
7 :
14.18.24

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe

Pronounciation of BostwickiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of BostwickiteHide

Sub-Vitreous, Greasy, Silky
Transparency:
Translucent
Colour:
Brownish red
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
2.93 g/cm3 (Measured)    

Optical Data of BostwickiteHide

Type:
Biaxial (-)
RI values:
nα = 1.775 nβ = 1.798 nγ = 1.800
2V:
Measured: 25° , Calculated: 32°
Birefringence:
0.025
Max Birefringence:
δ = 0.025
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r < v strong

Chemical Properties of BostwickiteHide

Formula:
CaMn6Si3O16 · 7H2O
IMA Formula:
CaMn3+6Si3O16 · 7H2O
Common Impurities:
Al,Fe,As,Mg

Crystallography of BostwickiteHide

Crystal System:
Orthorhombic
Morphology:
acicular in slightly divergent groups

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
11.30 (100)
3.55 (30)
2.90 (30)
2.57 (40)
2.48 (20)
2.26 (20)
2.24 (20)
1.470 (20)
Comments:
35-616

Type Occurrence of BostwickiteHide

Geological Setting of Type Material:
Deposited on fractures in silicate and oxide zinc ore
Associated Minerals at Type Locality:

Synonyms of BostwickiteHide

Other Language Names for BostwickiteHide

German:Bostwickit
Spanish:Bostwickita

Related Minerals - Nickel-Strunz GroupingHide

9.HC.05Erlianite(Fe,Mg)4(Fe,V)2Si6O15(OH,O)8Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.18.1NambuliteLiMn2+4Si5O14(OH)Tric.
14.18.2Natronambulite(Na,Li)(Mn,Ca)4Si5O14OHTric.
14.18.3ZakharoviteNa4Mn5Si10O24(OH)6 · 6H2OTrig.
14.18.4NorrishiteKLiMn3+2(Si4O10)O2Mon. 2/m : B2/m
14.18.5Shafranovskite(Na,K)6(Mn,Fe)3Si9O24 · 6H2OTrig.
14.18.6AbswurmbachiteCuMn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
14.18.7Donpeacorite(Mn2+,Mg)Mg[SiO3]2Orth.
14.18.8KanoiteMn2+(Mg,Mn2+)Si2O6Mon. 2/m : P21/b
14.18.9CaryopiliteMn2+3Si2O5(OH)4Mon.
14.18.10Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8
14.18.11Tirodite
14.18.12Manganhumite(Mn2+,Mg)7(SiO4)3(OH)2Orth.
14.18.13BustamiteCaMn2+(Si2O6)Tric. 1 : P1
14.18.14GlaucochroiteCaMn2+SiO4Orth.
14.18.15Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2OTrig.
14.18.16SantaclaraiteCaMn4[Si5O14OH](OH) · H2OTric.
14.18.17FerrobustamiteCaFe2+(Si2O6)Tric.
14.18.18JohannseniteCaMn2+Si2O6Mon. 2/m : B2/b
14.18.19NeltneriteCaMn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
14.18.20OrlymaniteCa4Mn3Si8O20(OH)6 · 2H2OHex.
14.18.21InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2OTric. 1 : P1
14.18.22OrientiteCa8Mn3+10(SiO4)3(Si3O10)3(OH)10 · 4H2O Orth.
14.18.23RuiziteCa2Mn3+2[Si4O11(OH)2](OH)2·2H2OMon. 2
14.18.25KittatinnyiteCa2Mn2Mn(SiO4)2(OH)4 · 9H2OHex.
14.18.26LithiomarsturiteLiCa2Mn2Si5O14(OH)Tric.
14.18.27SeranditeNaMn2+2Si3O8(OH)Tric. 1 : P1
14.18.28KvanefjelditeNa4(Ca,Mn)(Si3O7)2(OH)2Orth.
14.18.29MarsturiteNaCaMn3Si5O14(OH)Tric. 1 : P1
14.18.30RaiteNa4Mn2+3Ti0.25Si8O20(OH)2 · 10H2OOrth. 2 2 2 : C2 2 2
14.18.31Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
14.18.32Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O
14.18.33Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5Mon.
14.18.34Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3Iso.
14.18.35PyroxmangiteMnSiO3Tric. 1
14.18.36Dannemorite☐{Mn2+2}{Fe2+5}(Si8O22)(OH)2
14.18.37Neotocite(Mn,Fe,Mg)SiO3 · H2OAmor.
14.18.38BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)Tric. 1 : P1
14.18.39ManganbabingtoniteCa2(Mn,Fe)FeSi5O14(OH)Tric.
14.18.40ÖrebroiteMn2+3(Sb5+,Fe3+)(SiO4)(O,OH)3Hex.

Other InformationHide

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 BostwickiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dunn, P.J. and Leavens, P.B. (1983) Bostwickite, a new calcium
manganese silicate hydrate from Franklin, New Jersey. Mineralogical Magazine: 47: 387-389.
American Mineralogist (1984)=: 69: 810 (abstract).

Internet Links for BostwickiteHide

Localities for BostwickiteHide

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.
USA (TL)
 
  • New Jersey
    • Sussex Co.
      • Franklin mining district
        • Franklin
          • Franklin Mine
Dunn & Leavens(1983); Mineralogical Magazine:47:387-389; Dunn(1995):Pt4:498.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 17, 2018 08:24:28 Page generated: October 10, 2018 20:42:27
Go to top of page