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Quartz (PPO_89)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: ppo_89.ttl
- Name
quartz- Attribute
- PPO Product
- Definition
- Quartz in the form of blocks, slabs, and other shapes for use in construction (for example: building or paving).
- Description
- A trigonal rock-forming mineral consisting of silica, massive or crystallizing in colourless or white hexagonal prisms. Found widely in igneous and metamorphic rocks. Often coloured by impurities (as amethyst, citrine, cairngorm).
- Accepted
- 2013-10-18
- Allowed for
- RWOI terms naming it
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.