Chrysocolla and chalcocite are two distinct minerals with their own unique properties.
1. Color:  Chrysocolla is typically blue-green, but can also be found in shades of turquoise, teal, or even brown. Chalcocite is typically dark gray to black in color, sometimes with a metallic luster.
2. Hardness: 2.5 to 3.5 on the Mohs scale.
3. Clarity: Often opaque, but can occasionally be translucent.
4. Luster: Usually vitreous to dull and metallic.
5. Density: Around 2.0 to 2.4 g/cm³.
6. Metaphysical Properties: Chrysocolla is believed to have calming and soothing energies, making it useful for emotional healing and promoting inner peace. It's associated with communication and expression, helping individuals articulate their thoughts and feelings.