By: shelley-jaye
License: Creative Commons Attribution ⧉

Uploaded: 18 Mar 2020
Last Updated: 18 Mar 2020

77 megapixels
8,701 x 8,876 pixels
29.0 in X 29.6 in at 300dpi
3,515 pixels per inch

Scale at top is in centimeters. Sample D has the following properties: Luster: nonmetallic Hardness: 7 Color of streak: (too hard to streak) Cleavage? No Fracture? Brittle; may show parting Other properties: Dodecahedral crystals are distinctive.