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Our bildhau stones are natural stones in individual shapes & sizes, the dimensions & weights of which we cannot specify exactly in advance. You can choose your stone from different weight categories, in which the maximum price for a stone of the respective category is indicated. The stone supplied will be individually weighed and charged at the price per kilo stated here. The price charged will be lower than the maximum price of the respective category.
It is important to us that you receive exactly the material you need for your project. If you are looking for a stone with more specific dimensions (e.g. elongated, approx. 30 cm), please let us know in the message field at the end of the order process. We will endeavour to find a suitable stone for you. On request, we will send you a photo in advance for inspection. We charge a service fee of 9.50 euros for this service, which will be shown on the invoice.
Larger stones and cut-to-size pieces are usually also available for many types of stone. Please contact us by e-mail or telephone for a binding quotation.
It is important to us that you receive exactly the material you need for your project. If you are looking for a stone with more specific dimensions (e.g. elongated, approx. 30 cm), please let us know in the message field at the end of the order process. We will endeavour to find a suitable stone for you. On request, we will send you a photo in advance for inspection. We charge a service fee of 9.50 euros for this service, which will be shown on the invoice.
Larger stones and cut-to-size pieces are usually also available for many types of stone. Please contact us by e-mail or telephone for a binding quotation.
Here you will find interesting information on calculating the weight of a sculptor's stone.
serpentine Spring Stone 30 - 50 kg piece maximum price
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Germany
Price includes VAT depending on the recipient country; outside the EU, no VAT is included.
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This dark serpentine is somewhat harder, homogeneous and almost without cracks. It often has a soft brown shell. Spring Stone is easy to chisel.
TECHNICAL SPECIFICATIONS
| Origin: Zimbabwe | Zimbabwe |
| Mohs hardness | 3 - 3,5 |
| Appearance | dark grey |
| structure | homogeneous, almost no cracks |
| Density | 2.9 - 3.0 kg/dm³ |
PROCESSING
Serpentine can be worked very well with forged steel chisels such as point chisels, claw chisels, flat chisels and lettering chisels. Rasps and files can also be used. Harder serpentine or serpentine with quartz inclusions can be worked well with carbide chisels and diamond rasps.
Sculptures made of serpentine are particularly suitable for indoor installation.
FURTHER INFORMATION
At bildhau, we sell serpentine stones from Zimbabwe. Most serpentine stones are quarried there on the edge of the "Great Dyke", a magmatite body around 550 km long and 4 to 11 kilometres wide, which is rich in minerals and ores. The serpentine sourced from bildhau in Zimbabwe is mined and traded fairly in cooperation with the local population.
Artists in Zimbabwe are said to have given this serpentine Spring Stone the name Spring Stone: Compared to other serpentine stones, Spring Stone is so firm and dense that the chisel springs back when you try to strike the stone.
The name serpentine for the stone is not quite correct; the rock is actually serpentinite. Serpentinites have formed from serpentine minerals (e.g. lizardite, antigorite, chrysotile). In some cases, they also contain other minerals such as olivine, pyro-rich garnet, bronzite or diopside-rich pyroxene, from which the serpentine minerals originally formed. A red colour is caused by haematite (iron oxide). Serpentinite often also contains magnetite. Serpentinite is a metamorphic rock that has formed on the (former) seabed as a result of high pressure and temperatures, among other things.
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