Samahah                     

 

                                                                                        

 

Samahah is also whitish sedimentary rock with fossils , hard limestone , crystallized , suitable for interior decoration for both walls and floors

 

Stone Name

Abrasion resistance hardness (ASTM C241)

Flexural strength Mpa. (ASTM C880)

Modulus of rupture Mpa. (ASTM C99)

Water Absorption by weight % (ASTM C97)

Density (Kg/m3) (ASTM C97)

Samaha

38.10

2000

2600

0.120

 

 

Specifications

 

 

 

General Properties

 

Scientific Name:

Hard fossiliferous Limestone

 

Code Number:

209

 

Location:

EL Minia ,Baharyia Oasis Road

 

Color:

Light Yellowish Creamy


 

 

Mineral Composition & Texture:

 

I t is hard fossiliferous limestone of yellowish creamy color.The groundmass is composed mainly of fine to microcrystalline cacite with some megafossils some diagentic features are observed . The rock is monomineralic and composed of calcite

 

Chemical Composition:

Oxide

SiO2

TiO2

Al2O3

Fe2O3

MnO

MgO

CaO

Na2O

K2O

L.O.I

Wt.(%)

0.98

0.01

0.24

0.09

<0.01

54.63

0.35

<0.01

0.05

42.94


 

 

Physico-Mechanical Properties

 

Absorbtion:

0.34(Wt.%)

 

Density:

2627(KG/M3)

 

Compressive Strength:

97.64(Mpa)

 

Modulus Of Rapture:

13(Mpa)

 

Abrasion resistance 1:

28(Hardness)

 

Fexural Strength:

9.7(Mpa)

 

Impact Test:

53