You are welcome to the Iranian Mineral world. Find Barite Gilsonite Dolomite Bentonite Feldspar Kaolin Silica Silica Sand Cement white cement Portland cement Sulphate resistance Portland Cement Type I Portland Cement Type II Portland Cement Type III Portland Cement Type v Pozzolania Cement Clinker Pozzolania Moderate Sulphate Resistance Low Heat Portland cement Pozzolanic Cement Sulphate resistance slag Cement RF cement 450 RF cement 500 RF cement 550 P.K.Z. cement and many more mineral factories, quarries, shipping lines make your mineral order inspected in Iran. Be sure about every detail on Iranian Mineral market such as qualities, price.
Iran are producer of 70000000 ton cement per/year & we are presenting of 40% of them
home
Quick links
Minerals
Mineral Info.
Investment Low
Overseas Service
Events
Mineral Search

Dolomite

Dolomite Physical Characteristics:

Dolomite Color

Often pink or pinkish and can be colorless, white, yellow, gray or even brown or black when iron  present in the crystal.

Luster Pearly to vitreous to dull
Transparency Crystals are transparent to translucent
Crystal System Trigonal; bar 3
Dolomite Crystal Habits

Include saddle shaped rhombohedral twins and simple rhombs some with slightly curved faces, also prismatic, massive, granular and rock forming. Never found in scalenohedrons.

Cleavage Perfect in three directions forming rhombohedrons.
Fracture Conchoidal.
Hardness 3.5-4
Specific Gravity 2.86 (average)
Streak White
Dolomite Characteristics Unlike calcite, effervesces weakly with warm acid or when first powdered with cold HCl.
Associated Minerals Include calcite, sulfide ore minerals, fluorite, barite, quartz and occasionally with gold
Notable Occurrences Many localities throughout the world, but well known from sites in Midwestern quarries of the USA; Ontario, Canada; Switzerland; Pamplona, Spain and in Mexico
Best Field Typical pink color, crystal habit, hardness, slow reaction to acid, density and luster

Dolomite Chemical Analysis:

Dolomite Chemical Analysis %
SiO2 ------
Al2O3 0.04
Fe2O3 0.024
TiO2 N.D
Ca O 32.218
Mg O 20.179
Na2O ------
K2O ------
Insoluble 0.094
Na2CO3 ------
Loss 47.33
Total 99.885
Dolomite



Sister Sites
Mineral Links
Stone Links
Mineral News