Extraction and processing of natural dimensional stone, in particular Original Sora Lamprophyr, from the Sora quarry.
Schumann Kies- und Hartsteinwerke GmbH
Wilthen OT Sora · Sohland an der SpreeNew on Amplifa
About Schumann Kies- und Hartsteinwerke GmbH
Schumann Kies- und Hartsteinwerke GmbH operates a quarry in Wilthen OT Sora (Saxony) and specialises in the extraction and processing of natural dimensional stone. On site, the material Original Sora Lamprophyr is quarried; in addition, the company processes purchased raw material such as Pließkowitzer granodiorite. From the raw blocks, products such as paving stones (including hand-hewn large and small setts), rubble masonry stones, block steps and stair systems, coping slabs, polished stone slabs for kitchen worktops as well as strongly profiled memorial stones are produced. Raw blocks up to 20 t in weight can be loaded, unloaded and split. Since 2019, the company has been an independent subsidiary of E. Hantusch GmbH, natural stone finishing, in Sohland an der Spree; through this cooperation, the entire value chain from split raw block to polished surface is offered from a single source. Customers supplied include building material merchants, construction companies and end consumers, predominantly in Germany.
- Site
- Wilthen OT Sora
- Processes
- Extraction and processing of natural dimensional stone (quarry mining), Loading and unloading of raw blocks up to 20 t, Production of paving stones (including hand-hewn large setts, small setts), Production of masonry stones (rubble masonry stones), Production of block steps and stair systems, Production of coping slabs, Production of kitchen worktops (polished stone slabs), Production of profiled memorial stones
- Materials
- Original Sora Lamprophyr, Pließkowitzer granodiorite (Pließkowitzer granite)
- Certificates
- ISO 9001
- Industries
- Construction/Landscaping, Monument preservation, Hotel fittings
- 01
Quarry extraction (mining of Original Sora Lamprophyr)
- 02
Loading and unloading of raw blocks up to 20 t
- 03
Splitting of the raw blocks
- 04
Cutting and machining (paving, masonry stones, steps, slabs)
- 05
Surface treatment (e.g. polishing, hand-hewn surfaces)
- 06
Finishing in cooperation with E. Hantusch GmbH
- 07
Delivery to building material merchants, construction companies and end
Materials and Processes
Original Sora Lamprophyr
Natural dimensional stone quarried in the company's own quarry in Wilthen OT Sora, used for paving, masonry stones, stairs, slabs and memorial stones.
Pließkowitzer granodiorite (Pließkowitzer granite)
Purchased raw material that, alongside Sora Lamprophyr, is processed into paving stones and other products.
Sites
Sora Quarry (Wilthen OT Sora)
DEQuarry and production site: extraction and processing of natural dimensional stone
- Part weight / size
- Raw blocks up to 20 t
- Materials
- Original Sora Lamprophyr, Pließkowitzer granodiorite
- Crane/lifting equipment for raw blocks up to 20 t
Sohland an der Spree
DEParent company E. Hantusch GmbH, natural stone finishing (cooperation)
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Extraction and processing of natural dimensional stone (quarry mining)Other (natural dimensional stone) | – | – | – | – | Original Sora Lamprophyr |
| Loading and unloading of raw blocks up to 20 tOther (natural dimensional stone) | – | – | 20 t | – | Original Sora Lamprophyr, Pließkowitzer granodiorite |
| Production of paving stones (including hand-hewn large setts, small setts)Other (natural dimensional stone) | – | – | – | – | Original Sora Lamprophyr, Pließkowitzer granodiorite |
| Production of masonry stones (rubble masonry stones)Other (natural dimensional stone) | – | – | – | – | Original Sora Lamprophyr |
| Production of block steps and stair systemsOther (natural dimensional stone) | – | – | – | – | Original Sora Lamprophyr |
| Production of coping slabsOther (natural dimensional stone) | – | – | – | – | Original Sora Lamprophyr |
| Production of kitchen worktops (polished stone slabs)Surface (polishing) | – | – | – | – | Original Sora Lamprophyr |
| Production of profiled memorial stonesOther (natural dimensional stone) | – | – | – | – | Original Sora Lamprophyr |
| Splitting of raw blocksForming (splitting) | – | – | – | – | Original Sora Lamprophyr |
| Surface finishing / polishing of stone slabsSurface | – | – | – | – | Original Sora Lamprophyr |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Crane/lifting equipment for raw blocks up to 20 t | – | – | – | – | Sora Quarry (Wilthen OT Sora) |
Additional services
Reference customers
Quality
Information on certifications and systematic quality assurance is not documented in the sources; production is carried out on a project basis according to the requirements of the reference projects, including strictly according to monument preservation considerations.
| Evidence | Wilthen OT Sora |
|---|---|
| ISO 9001 |
History
- 1997
Complete renewal of Königstraße in Dresden-Neustadt (approx. 900 m) with Original Sora Lamprophyr, hand-hewn large setts strictly according to monument preservation requirements.
- 2013
Redesign of the village square in Heidenau OT Gommern with the company's building stones (block steps, rubble masonry stones, coping slabs, small setts, water trough).
- 2019
Independent subsidiary of E. Hantusch GmbH, natural stone finishing, Sohland an der Spree.