Amalgam Mineral Data

[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery]
John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors

General Amalgam Information

Chemical Formula:

Ag2Hg3

Composition:

Molecular Weight = 817.51 gm

Silver 26.39 % Ag

Mercury 73.61 % Hg

______

100.00 %

Empirical Formula:

Ag₂Hg₃

Environment:

Base metal ore deposits with oxidisable mercury sulfides.

IMA Status:

Not Approved IMA

Locality:

Germany, Sweden. Link to MinDat.org Location Data.

Name Origin:

Named for the Medieval Latin "amalgama" for a mercury-metal alloy, generally when the other metal is silver.

Name Pronunciation:

Amalgam

Synonym:

Kongsbergite

Silver amalgam (Hg)

Search for Amalgam 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.

Amalgam Crystallography

Cell Dimensions:

a = 9.9, Z = 10; V = 970.30 Den(Calc)= 13.99

Crystal System:

IsometricSpace Group: Unk

Physical Properties of Amalgam

Cleavage:

{???} Indistinct

Color:

White.

Density:

13.75 - 14.1, Average = 13.92

Diaphaneity:

Opaque

Fracture:

Malleable - Deforms rather than breaking apart with a hammer.

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Hardness:

3-3.5 - Calcite-Copper Penny

Luminescence:

Non-fluorescent.

Luster:

Metallic

Magnetism:

Nonmagnetic

Streak:

white

Calculated Properties of Amalgam

Electron Density:

Bulk Density (Electron Density)=11.4 gm/cc
note: Specific Gravity of Amalgam =14.0 gm/cc.

Fermion Index:

Fermion Index = 0.22
Boson Index = 0.78

Photoelectric:

PE_Amalgam=1,348.65 barns/electron
U=PE_Amalgam x rElectron Density=15417.13 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Amalgam is Not Radioactive

Amalgam Classification

Dana Class:

01.01.08.00 (01)Native Elements

(01.01)with metallic elements other than the platinum group

(01.01.08)Silver Amalgam Alloys

01.01.08.00 Amalgam* Ag2Hg3 Unk Cubic

01.01.08.01 Moschellandsbergite Ag2Hg3 I m3m 4/m 3 2/m

01.01.08.02 Schachnerite Ag1.1Hg0.9 P 6₃/mmc 6/m 2/m 2/m

01.01.08.03 Paraschachnerite Ag3Hg2 C mcm 2/m 2/m 2/m

01.01.08.04 Luanheite Ag3Hg P 6₃/mmc 6/m 2/m 2/m

01.01.08.05 Eugenite Ag9Hg2 I 43m 4 3m

01.01.08.06 Weishanite (Au,Ag)3Hg2 P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

01.AD.00 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.A - Metals and Intermetallic Alloys

01.AD -Mercury-amalgam family

01.AD.00 Amalgam* Ag2Hg3 Unk Cubic

Other Amalgam Information

References:

PHYS. PROP.(Dana)

See Also:

Links to other databases for Amalgam :
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
10 - Ruff.Info
11 - Scandinavian mineral gallery

Search for Amalgam using:

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

Visit our Advertisers for Amalgam :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Diamond Dan Publications

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Amalgam Mineral Data :

Ask about Amalgam 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 Amalgam Specimen Label here :

Amalgam

Ag2Hg3
Dana No: 01.01.08.00 Strunz No: 01.AD.00
Locality:

Notes: