Hotsonite-VI Mineral Data

Hotsonite-VI Mineral Data +

[Newest Minerals] [Minerals for Sale] [Tsumeb Mine] [Mineral Auctions] [Mineral Gallery]
The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame
Visa and Mastercard are Welcome

General Hotsonite-VI Information

Chemical Formula:

Al5(SO4)(PO4)(OH)10·8(H2O)

Composition:

Molecular Weight = 640.14 gm

Aluminum 21.07 % Al 39.82 % Al₂O₃

Phosphorus 4.84 % P 11.09 % P₂O₅

Hydrogen 4.09 % H 36.59 % H₂O

Sulfur 5.01 % S 12.51 % SO₃

Oxygen 64.98 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Al₅(SO₄)(PO₄)(OH)₁₀·8(H₂O)

Environment:

In a sillimanite quarry encrusting zaherite.

IMA Status:

Approved IMA 1984

Locality:

Hotson 42, about 65 km W of Pofadder, Bushmanland, Cape Province, South Africa. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Search for Hotsonite-VI Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Hotsonite-VI Crystallography

Axial Ratios:

a:b:c =0.9631:1:0.9048

Cell Dimensions:

a = 11.23, b = 11.66, c = 10.55, Z = 2; alpha = 112.533°, beta = 107.533°, gamma = 64.45° V = 1,097.72 Den(Calc)= 1.94

Crystal System:

TriclinicSpace Group: P1 or P1

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 10.05(1), 8.45(0.4), 4.63(0.2),

Physical Properties of Hotsonite-VI

Color:

White, Colorless.

Density:

2.06

Fracture:

Earthy - Dull, clay-like fractures with no visible crystalline affinities, (e.g. howlite).

Habit:

Compact - Occurs as a compact mass.

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Hardness:

2.5 - Finger Nail

Luster:

Silky

Streak:

white

Optical Properties of Hotsonite-VI

Gladstone-Dale:

CI meas= -0.013 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.075 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.268,KPDmeas= 0.2524,KC= 0.2492

Optical Data:

Biaxial (?), a=1.519, g=1.521, bire=0.0020

Calculated Properties of Hotsonite-VI

Electron Density:

r_electron=2.12 gm/cc
note: r_Hotsonite-VI=2.06 gm/cc.

Fermion Index

Fermion Index = 0.00069
Boson Index = 0.99931

Photoelectric:

PE_Hotsonite-VI= 1.24 barns/electron
U=PE_Hotsonite-VI x r_electron= 2.64 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Hotsonite-VI is Not Radioactive

Hotsonite-VI Classification

Dana Class:

32.4.5.1 (32)Compound Sulfates

(32.4)(hydrous) with poly-anionic formula

(32.4.5)Dana Group

32.4.5.1 Hotsonite-VI Al5(SO4)(PO4)(OH)10·8(H2O) P1 or P1 Tri

Strunz Class:

VII/D.21-10* VII - Phosphates, Arsenates and Vanadates

VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe

VII/D.21 - Hotsonite series

VII/D.21-10* Hotsonite-VI Al5(SO4)(PO4)(OH)10·8(H2O) P1 or P1 Tri

VII/D.21-10 Hotsonite-VII Al11(SO4)3(PO4)2(OH)21·16(H2O) P1 or P1 Tri

Other Hotsonite-VI Information

References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Hotsonite-VI :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

Search for Hotsonite-VI using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Hotsonite-VI :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Hotsonite-VI Mineral Data :

Ask about Hotsonite-VI here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Hotsonite-VI Specimen Label here :

Hotsonite-VI

Al5(SO4)(PO4)(OH)10·8(H2O)
Dana No: 32.4.5.1 Strunz No: VII/D.21-10*
Locality:

Notes: