Obverse. Photo © Austrian Mint
  • 25 Euro 2024, Austria, Silver Niobium Coin, Edaphon
  • 25 Euro 2024, Austria, Silver Niobium Coin, Edaphon
Description

The 2024 Silver Niobium coin ingeniously brings to light the hidden marvels beneath our feet, showcasing the vibrant world of the Edaphon—a crucial but often overlooked foundation of our existence and the linchpin of our planet's future. This collective term encompasses all living organisms within soil, a bustling ecosystem as diverse as a rainforest, where the chaotic synergy of life fuels growth and births new life. Though the soil may seem populated only by visible creatures like ants, beetles, and earthworms, it hosts an imperceptible army of microorganisms vital for decomposition and humus creation. This intricate collaboration of bacteria, fungi, plants, and animals, however, faces threats from modern practices such as industrialization, pollution, monocultures, and soil compaction, which diminish or halt the edaphon's productivity. Furthermore, climate change exacerbates these issues, with rising temperatures potentially depleting humus content and increasing soil erosion risks. Without intervention, the soil, a precious and irreplaceable resource, faces the looming danger of becoming scarce.

Design: Kathrin Kuntner, Rebecca Wilding, Herbert Wähner
Issue date: 17 April 2024

Obverse

Depicts the five factors that contribute to the development of soil: time, mineral material, climate, soil organisms (in the niobium core) and the relief of the landscape (in the outer silver ring). In the centre are the roots of a plant, its leaves protruding into the silver ring.

The issue date and the denomination on the right, the country name on the left.

REPUBLIK ÖSTERREICH
25 EURO 2025

Reverse

Depicts a mole at the top, an earthworm on the left, a snail at the bottom and an ant on the right. The niobium core shows a leaf on top and three other important organisms below: a fungal mycelium on the left, a beetle on the right and an earthworm above it.

The term soil organisms or Edaphon (from Greek "edaphos" meaning "soil") refers to the entirety of organisms living in the soil (soil organisms and soil microorganisms). In contrast, the associated adjective "edaphic" means "related to the soil" or "concerning the ecological effects of the soil."

EDAPHON

Edge
Characteristics
Type Commemorative Issue (Non-circulating)
Material Bi-Metallic
Ring Silver
Center Niobium
Weight 16.5 g
Diameter 34 mm
Thickness 2.55 mm
Shape round
Alignment Medal
Mint
Austrian Mint

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