Process and Making
Natural stone is processed directly after quarrying. Due to the extreme durability and the possible direct processing, it is one of the most environmental friendly building materials in the world.
During the resource-saving processing, cuttings accumulate despite careful space allocation. These can actually be recycled relatively easily: the usual procedure is to process them into crushed stone.

Here, of course, an enormous amount of value is lost and the wonderful materials, millions of years old, are robbed of their potential. This disposal is convenient, but it reduces the value of the material and even incurs costs. 
After various experiments and attempts to use the stone leftover segments in a different but smarter way, a concept has now been worked out with the company Stein Schwarz.

Photocredit: VIENNA DESIGN WEEK/Kollektiv Fischka/Philipp Podesser

​​​​​Facts about stone waste from Stein Schwarz:
Up to 80% of tranches with a thickness of 8-15 cm accrue, as well as flatter slab waste with a thickness of 1-3 cm:
This has made it possible to develop a simple process to produce so-called 
stone glasses. The stone glasses are therefore in two parts. In this way, the sections can be optimally utilized. The parts can also be integrated into the everyday production process despite a high workload, which is very important. All that was needed was a new tool.
Each stone glass consists of two different natural stone materials. The basic body is milled extra thin and finely ground - this ensures a pleasant mouthfeel.
Stone also has a slight insulating effect. 

For the finish, the glass is oiled with sunflower oil.

Rinse the stone glasses and allow to dry. Oil occasionally as needed. 

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