Natural stone has various physical and mechanical parameters that differ from stone to stone. Let’s have a look at some of them that are most commonly used. Weight per unit of volume = the ratio between the weight and the apparent volume of the stone which corresponds to its actual weight. This also includes the holes […]
Author Archives: kallisthos
15
Nov
Nov
Why is it important to know the hardness of natural stone? The hardness of stone can decide, for example, how easily natural stone can be polished, and how long this polishing will last. The so-called Mohs scale is a scale ranging from 1 to 10, with ten being the hardest. This scale is a relative […]
02
Nov
Nov
In our today’s article – a concise one – we will quickly focus on one question: What is marble, actually? Marble is what we call a metamorphic rock. That means marble does not start as marble itself but has a so-called parent rock. In the case of marble, the parent rock is limestone or dolostone. […]
19
Oct
Oct
Tinos marble certainly stands out: It is of dark green colour, and heavily veined. It is actively quarried on the Isle of Tinos, which is part of the Cyclades in Greece. Interestingly enough, the island itself is also a source for white marble. Tinos has been used since antiquity; however, the quarries on the island […]
05
Oct
Oct
Vratsa derives its name from the largest city in northwestern Bulgaria. The stone is actively quarried in the Vratsa district, particularly around the villages of Gorna Kremena and Varbeshnitsa. Vratsa is a very robust and frost-resistant stone, a fact that explains why it is so often a familiar sight in many countries of central and […]
07
Sep
Sep
Between Estremoz and Vila Viçosa, we can find quarries that are the source of some of Portugal’s best known decorative marble: Rosa Aurora. These marbles are translucent with a granular texture, and their colour can vary a lot from pure white to creamy, orange, and pink. The often delicate background colours are interrupted by streaks […]
24
Aug
Aug
Marble is one of the most of commonly used natural stones that has existed for centuries and still has uses to this day. As far as countertops go, marble countertops are considered the best of the best. You could never go wrong with a marble countertop as it just goes perfectly with everything and has […]
27
Jul
Jul
As we just passed mid 2020, architectural trends are becoming more evident and more defined by the day. We have seen and expect a rage of diversity this year with trends and designs concocting a little bit of everything, which is excellent news! Even though 2019 is long behind us, those among us that love […]
15
Jun
Jun
Date built: 1372Height: 55.8mOriginal use: Churches bell towerUse during history: Supposedly by Galileo Galilei for his free fall experiments; during WW II Germans used it as an observation post Use nowadays: As a tourist attractionMaterial: Marble and limestone The tower of Pisa is amongst the four structures that make up the cathedral complex of Pisa, […]
13
Jun
Jun
Schon seit seiner Entdeckung zählt Marmor zu den beliebtesten Natursteinen sowohl für den Innen- als auch Außenbereich. Als metamorphes Gestein hat es vorzügliche Eigenschaften für den Einsatz für Bauwerke, vorausgesetzt, man ist gewillt, den entsprechenden Preis dafür zu bezahlen. Die rein technischen Charakteristika sind es jedoch gar nicht, sondern vielmehr die unglaubliche Vielfalt an Ästhetik, […]