Rhodonite

Hardness: 5.5-6.5 on Mohs scale; Color: Rose-pink to brownish-red, often with black manganese oxide inclusions (dendritic patterns); Luster: Vitreous to pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions intersecting at nearly 90 degrees; Specific gravity: 3.4-3.7

Rhodonite is typically formed in metamorphic environments, particularly in manganese-rich rocks subjected to high temperature and pressure. It can also be found in hydrothermal veins. The age varies depending on the specific geological formation, often associated with Precambrian or Paleozoic metamorphic events.

Primarily used as an ornamental stone, especially for cabochons, beads (as shown in the image), small carvings, and inlays. Its attractive pink color makes it popular in jewelry. Lesser quality material may be used as an ore of manganese.

Rhodonite gets its name from the Greek word 'rhodon', meaning 'rose', due to its distinctive pink color. It is the state gem of Massachusetts, USA. In some cultures, it is believed to promote love, compassion, and emotional healing.

Rhodonite is identified by its characteristic rose-pink to reddish color, often with distinctive black veining or dendritic patterns of manganese oxides. These black patterns are a key identifying feature. It is commonly found in locations with manganese deposits, including Australia (New South Wales), Russia (Ural Mountains), Sweden, USA (Massachusetts, Colorado), Brazil, Canada, and Japan. For collectors, look for specimens with vibrant pink color and interesting black patterns. The hardness (scratches glass) and density can also help in field identification.