// Disciplines
Aesthetics of Collecting
3 topics
- Mineral and Stone Hobby
The Boundary Line Between Gemstones and Minerals
Where is the line drawn between gemstones and minerals? Various criteria intersect, such as beauty, rarity, hardness, cultural value, and wh…
- Mineral and Stone Hobby
The Sensation of the Concept of Mineral Hardness
Mineral hardness is a concept that can be perceived through multiple senses, such as resistance to scratching, the sound when tapped, and th…
- Mineral and Stone Hobby
Which Do You Notice First: Color, Shape, or Transparency?
The moment you pick up a stone, what catches your eye first? Its vibrant color, its unique shape, or the depth brought by its transparency? …