MatWeb - Material Property Data Advertise with MatWeb!     Register Now
Data sheets for over 180,000 metals, plastics, ceramics, and composites.
MatWeb - Material Property Data HOME  •   SEARCH  •   TOOLS  •   SUPPLIERS  •   FOLDERS  •   ABOUT US  •   FAQ  •   LOG IN    
Recently Viewed Materials (most recent at top)  

Login to see your most recently viewed materials here.

Or if you don't have an account with us yet, then click here to register.

  Searches:   Advanced  | Category  | Property  | Metals  | Trade Name  | Manufacturer  | Recently Viewed Materials
  

Elmet Technologies

(Viewing data as-entered. Click here to return)
Krotite, CaAl2O4
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: First natural occurrence reported in 2011, discovered in portions of the NWA 1934 meteorite CV3 carbonaceous chondrite. Transparent with vitreous luster and white streak.

Key Words: Calcium Aluminate, CaAl2O4
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 2.94 g/ccCalculated
a Lattice Constant 8.6996 Å
b Lattice Constant 8.0994 Å
c Lattice Constant 15.2170 Å
Beta Lattice Angle 90.188 °
Molecular Weight 158.039 g/mol
 
Mechanical PropertiesOriginal ValueComments
Hardness, Mohs 6.5
 
Optical PropertiesOriginal ValueComments
Transmission, Visible 90 %transparent; thickness not quantified
 
Descriptive Properties
ColorColorlessTransparent
crystal structureP21/nmonoclinic per single crystal XRD

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
Calcium Aluminate, CaAl2O4
Calcium Aluminate (beta form), Ca3Al2O6
Overview of materials for Martensitic
Alumina, alpha Al2O3, 96%
Alpha Calcit Alfrimal 446 Aluminum Hydroxide 99.5%

EINOR2304b / 121073

Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at info@matweb.com. We appreciate your input.

The contents of this web site, the MatWeb logo, and "MatWeb" are Copyright 1996-2025 by MatWeb, LLC. MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC.