Mineral sample 013 (ERSC1P01)
Rotating views:
Static images (click to enlarge):
Streak:
Some of the powder left on the streak plate (H=6.5) has been rubbed off on the piece of felt in the picture. You can click on the picture to expand it.
​Hardness:
This sample does scratch a glass plate. This sample also does scratch Orthoclase feldspar. This sample just barely scratches Quartz. This sample does not scratch Topaz.
Acid test:
This sample does not react to 10% HCl acid