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Tiptopite

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Tiptopite

Tip Top Mine, Fourmile, Custer District, Custer Co., South Dakota, USA
Tiptopite

Tip Top Mine, Fourmile, Custer District, Custer Co., South Dakota, USA
Tiptopite, etc.

Tip Top Mine, Fourmile, Custer District, Custer Co., South Dakota, USA
Tiptopite

Tip Top Mine, Fourmile, Custer District, Custer Co., South Dakota, USA
Tiptopite

Tip Top Mine, Fourmile, Custer District, Custer Co., South Dakota, USA
Tiptopite, etc.

Tip Top Mine, Fourmile, Custer District, Custer Co., South Dakota, USA
Tiptopite

Tip Top Mine, Fourmile, Custer District, Custer Co., South Dakota, USA
Tiptopite

Tip Top Mine, Fourmile, Custer District, Custer Co., South Dakota, USA
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About TiptopiteHide

Tip Top mine pit

Tip Top Mine, Fourmile, Custer District, Custer Co., South Dakota, USA
Formula:
K2(Na,Ca)2Li3Be6(PO4)6(OH)2 · H2O
Colour:
Colourless
Lustre:
Vitreous
Hardness:
3½
Specific Gravity:
2,65
Crystal System:
Hexagonal
Name:
Named after its discovery locality, the Tip Top pegmatite, near Custer, South Dakota, USA
This page provides mineralogical data about Tiptopite.


Classification of TiptopiteHide

IMA status:
Approved
Approval Year:
1983
Strunz 8th ed.:
7/D.02-10
Nickel-Strunz 10th (pending) ed.:
8.DA.25

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
A : With small (and occasionally larger) cations
Dana 8th ed.:
42.6.11.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A2(XO4)Zq·xH2O
Hey's CIM Ref.:
19.3.10

19 : Phosphates
3 : Phosphates of Be and Mg

Physical Properties of TiptopiteHide

Lustre:
Vitreous
Transparency:
Transparent
Colour:
Colourless
Hardness:
3½ on Mohs scale
Density:
2,65 g/cm3 (Measured)    
Comment:
average density (4 measurements) in Grice et al. (1985)

Optical Data of TiptopiteHide

Type:
Uniaxial (+)
RI values:
nω = 1.551 nε = 1.559
Max Birefringence:
δ = 0.008
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low

Chemical Properties of TiptopiteHide

Formula:
K2(Na,Ca)2Li3Be6(PO4)6(OH)2 · H2O
IMA Formula:
K2(Li,Na,Ca)6(Be6P6)O24(OH)2 · 1.3H2O
Elements listed:
Be, Ca, H, K, Li, Na, O, P - search for minerals with similar chemistry

Crystallography of TiptopiteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 11.65 Å, c = 4.69 Å
Ratio:
a:c = 1 : 0.403
Unit Cell V:
551.26 ų (Calculated from Unit Cell)

Type Occurrence of TiptopiteHide

Type Locality:
ⓘ Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA
Place of Conservation of Type Material:
According to Grice et al. (1985):

National Museum of Natural Sciences, Ottawa (NMNS #48833)

Smithsonian Institution, Washington, D.C. (#149609)

Museum of Geology, South Dakota School of Mines, Rapid City (SDSM & T #81-5102)

Synonyms of TiptopiteHide

Other Language Names for TiptopiteHide

German:Tiptopit
Spanish:Tiptopita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Montgomeryite6 photos of Tiptopite associated with Montgomeryite on mindat.org.
Roscherite4 photos of Tiptopite associated with Roscherite on mindat.org.
Pahasapaite2 photos of Tiptopite associated with Pahasapaite on mindat.org.
Englishite2 photos of Tiptopite associated with Englishite on mindat.org.
Fransoletite2 photos of Tiptopite associated with Fransoletite on mindat.org.
Robertsite1 photo of Tiptopite associated with Robertsite on mindat.org.
Hurlbutite1 photo of Tiptopite associated with Hurlbutite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.DA.05BearsiteBe2(AsO4)(OH) · 4H2OMon.
8.DA.05MoraesiteBe2(PO4)(OH) · 4H2OMon.
8.DA.10RoscheriteCa2Mn2+5Be4(PO4)6(OH)4 · 6H2OMon. 2/m : B2/m
8.DA.10ZanazziiteCa2Mg5Be4(PO4)6(OH)4 · 6H2OMon. 2/m : B2/b
8.DA.10GreifensteiniteCa2Fe2+5Be4(PO4)6(OH)4 · 6H2OMon.
8.DA.10AtencioiteCa2Fe2+3Mg2Be4(PO4)6(OH)4 · 6H2O
8.DA.10RuifrancoiteCa2(⃞,Mn)2(Fe3+,Mn,Mg)4Be4(PO4)6(OH)4(OH,H2O)2 · 4H2OMon. 2/m : B2/b
8.DA.10GuimarãesiteCa2Be4Zn5(PO4)6(OH)4 · 6H2OMon. 2/m : B2/b
8.DA.10FootemineiteCa2Mn2+Mn2+2Mn2+2Be4(PO4)6(OH)4 · 6H2OTric. 1 : P1
8.DA.15UraloliteCa2Be4(PO4)3(OH)3 · 5H2OMon.
8.DA.20WeinebeneiteCaBe3(PO4)2(OH)2 · 4H2OMon.
8.DA.30Veszelyite(Cu,Zn)2Zn(PO4)2 · 2H2OMon. 2/m : P21/b
8.DA.35Kipushite(Cu,Zn)5Zn(PO4)2(OH)6 · H2OMon.
8.DA.35Philipsburgite(Cu,Zn)6(AsO4,PO4)2(OH)6 · H2OMon.
8.DA.40SpenceriteZn4(PO4)2(OH)2 · 3H2OMon. 2/m : P2/b
8.DA.45GlucineCaBe4(PO4)2(OH)4 · 0.5H2O
8.DA.50Ianbruceite[Zn2(OH)(H2O)(AsO4)](H2O)2Mon. 2/m : P21/b

Related Minerals - Dana Grouping (8th Ed.)Hide

42.6.11.Ianbruceite[Zn2(OH)(H2O)(AsO4)](H2O)2Mon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.3.1MoraesiteBe2(PO4)(OH) · 4H2OMon.
19.3.2BerylloniteNaBePO4Mon. 2/m : P21/b
19.3.3HurlbutiteCaBe2(PO4)2Mon.
19.3.4HydroxylherderiteCaBe(PO4)(OH,F)Mon. 2/m : P21/b
19.3.5GlucineCaBe4(PO4)2(OH)4 · 0.5H2O
19.3.6FransoletiteCa3Be2(PO4)2(HPO4)2 · 4H2OMon.
19.3.7UraloliteCa2Be4(PO4)3(OH)3 · 5H2OMon.
19.3.9PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2OIso. 2 3 : I2 3
19.3.11GainesiteNa(Na,K)(Be,Li)Zr2(PO4)4 · 1.5-2H2OTet. 4mm : I41md
19.3.12RoscheriteCa2Mn2+5Be4(PO4)6(OH)4 · 6H2OMon. 2/m : B2/m
19.3.13FaheyiteBe2Mn2+Fe3+2(PO4)4 · 6H2OTrig. 3 2 : P31 2 1
19.3.14FarringtoniteMg3(PO4)2Mon. 2/m
19.3.15HoltedahliteMg2(PO4)(OH)Trig. 3m : P3 1m
19.3.16AlthausiteMg4(PO4)2(OH,O)(F,☐)Orth. mmm (2/m 2/m 2/m) : Pnma
19.3.17NewberyiteMg(HPO4) · 3H2OOrth. mmm (2/m 2/m 2/m) : Pbca
19.3.18PhosphorrössleriteMg(HPO4) · 7H2OMon. 2/m : P2/b
19.3.19BobierriteMg3(PO4)2 · 8H2OMon. 2/m : B2/b
19.3.20Barićite(Mg,Fe)3(PO4)2 · 8H2OMon. 2/m : B2/m
19.3.21Panethite(Na,Ca)2(Mg,Fe2+)2(PO4)2Mon. 2/m : P21/b
19.3.22Dittmarite(NH4)Mg(PO4) · H2OOrth.
19.3.23Struvite(NH4)Mg(PO4) · 6H2OOrth. mm2
19.3.24Hannayite(NH4)2Mg3H4(PO4)4 · 8H2OTric. 1 : P1

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 TiptopiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Canadian Mineralogist (1985): 23: 43-46.
American Mineralogist (1986): 71: 230.
American Mineralogist (1987): 72: 816-820.

Internet Links for TiptopiteHide

Localities for TiptopiteHide

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)
 
  • South Dakota
    • Custer Co.
      • Custer District
        • Fourmile
Rocks & Minerals: 60: 117.
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