Crystalline surface of a slag, showing an ingrowth of greenish opaque material from the four sides of a tetragonal prism having a dark centre as a chiastolite
- Made:
- before 1889
Crystalline surface of a slag, showing an ingrowth of greenish opaque material from the four sides of a tetragonal prism having a dark centre as a chiastolite
Details
- Category:
- Metallurgy
- Object Number:
- 1889-164/3047
- type:
- specimen
- credit:
- John Percy Collection