Historical clue formulations

• Glam rocks? — 2025-05-27
• Crystal-lined stones — 2024-06-03
• Natural decorations on some bookshelves — 2024-02-25
• Glam rock pieces? — 2023-04-28
• Crystal-filled rocks — 2023-01-23
• Showcases of rock bands? — 2012-05-25
• Some fancy paperweights — 2006-10-21
• Some sparklers — 2001-08-10
• Hollow rocks — 1996-03-12
• Hollow stones — 1994-05-09