Gaylussite Mineral Data + Say GAYLUSSITE

Minernet.it
[Welcome] [Newest Minerals] [Gallery] [About Us] [How to Buy]
We are www.minernet.it, an Italian company which deals rare, unusual,
and showy mineral specimens. We specialise in minerals from Tsumeb,
Mont Saint Hilaire, Bolivia and Major Italian sites.

General Gaylussite Information

Help on Chemical  Formula: Chemical Formula: Na2Ca(CO3)2·5(H2O)
Help on Composition: Composition: Molecular Weight = 296.15 gm
   Sodium    15.53 %  Na   20.93 % Na2O
   Calcium   13.53 %  Ca   18.94 % CaO
   Hydrogen   3.40 %  H    30.42 % H2O
   Carbon     8.11 %  C    29.72 % CO2
   Oxygen    59.43 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaNa2(CO3)2·5(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1826
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the French chemist and physicist, J. L. Gay-Lussac (1778-1850).
Help on Synonym: Synonym: Gay Lussite
  Natrocalcite
 

Gaylussite Image

Click Here for Larger Gaylussite Image in a New Browser Window Images:
Click Here for Larger Gaylussite Image

Gaylussite

Comments: Clear, nearly colorless crystals of gaylussite.
Location: Trona, Searles Lake, San Bernardino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gaylussite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.4897:1:1.4406
Help on Cell Dimensions: Cell Dimensions: a = 11.589, b = 7.779, c = 11.207, Z = 4; beta = 102° V = 988.24 Den(Calc)= 1.99
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: I2/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.205(1), 6.407(0.57), 2.635(0.54),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: [ 0 0 1] [ 0 1 1] [ 1 1 2] [ 0 1 1] [ 1 1 0] [ 1 1 0]

Warning: this large pop-up is very compute intensive and may not work well with some computers.

Click Here for Large Gaylussite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate

Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above


Dickens B , Brown W E , Inorganic Chemistry , 8 (1969) p.2093-2103, The crystal structures of CaNa2(CO3)2*5(H2O), synthetic gaylussite,, and CaNa2(CO3)2*2(H2O), synthetic pirssonite, Locality: synthetic

 

Physical Properties of Gaylussite

Help on Cleavage: Cleavage: [110] Perfect, [001] Indistinct
Help on Color: Color: Colorless, Gray, Gray white, Yellow, Yellowish white.
Help on Density: Density: 1.93 - 1.99, Average = 1.96
Help on Diaphaniety: Diaphaniety: Translucent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Disseminated - Occurs in small, distinct particles dispersed in matrix.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: None.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Gaylussite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.026 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.011 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2483,KPDmeas= 0.2521,KC= 0.2457
Help on Optical Data: Optical Data: Biaxial (-), a=1.444, b=1.5155, g=1.523, bire=0.0790, 2V(Calc)=34, 2V(Meas)=34. Dispersion relatively strong.
 

Calculated Properties of Gaylussite

Help on Electron Density: Electron Density:

relectron=2.04 gm/cc
note: rGaylussite =1.99 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00136
Boson Index = 0.99864
Help on Photoelectric: Photoelectric:

PEGaylussite = 2.06 barns/electron
U=PEGaylussite x relectron= 4.21 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Gaylussite is Not Radioactive

 

Gaylussite Classification

Help on  Dana Class: Dana Class: 15.2.2.1 (15)Hydrated Carbonates
  (15.2)where A+m B++n (XO3)p · x(H2O), (m+n):p > 1:1
  (15.2.2)Dana Group
 
15.2.2.1 Gaylussite Na2Ca(CO3)2·5(H2O) I2/a 2/m
Help on  Strunz Class: Strunz Class: V/D.02-60 V - Nitrates, Carbonates and Borates
  V/D - Water-bearing carbonates without unfamiliar anions
  V/D.02 - Thermonatrite - Chalconatronite series
 
V/D.02-10 Thermonatrite Na2CO3·(H2O) P ca21 mm2
 
V/D.02-20 Natron Na2CO3·10(H2O) Cc m
 
V/D.02-30 Trona Na3(CO3)(HCO3)·2(H2O) I2/a 2/m
 
V/D.02-40 Baylissite K2Mg(CO3)2·4(H2O) P 21/a 2/m
 
V/D.02-50 Pirssonite Na2Ca(CO3)2·2(H2O) F dd2 mm2
 
V/D.02-60 Gaylussite Na2Ca(CO3)2·5(H2O) I2/a 2/m
 
V/D.02-70 Chalconatronite Na2Cu(CO3)2·3(H2O) P 21/n 2/m
 

Other Gaylussite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Gaylussite :
1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 -Athena 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris

Search for Gaylussite using:

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

Visit our Advertisers for Gaylussite :
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 Gaylussite Mineral Data :

Ask about Gaylussite 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 Gaylussite Specimen Label here :

Gaylussite

Na2Ca(CO3)2·5(H2O)
Dana No: 15.2.2.1 Strunz No: V/D.02-60
Locality:

 

Notes:

 

 
   
 
Go To Webmineral Home Crystallography X-Ray D-Spacing Table Chemical Composition
Dana Classification Strunz Classification Table of Mineral Properties Alphabetical Listing of Minerals
Search Webmineral Photo Gallery of Mineral Images Help Files Links