|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedMinerals
|
gptkb:calcite
gptkb:dolomite
gptkb:talc
quartz
serpentine
|
|
gptkbp:birefringence
|
δ = 0.200
|
|
gptkbp:category
|
carbonate mineral
|
|
gptkbp:chemicalFormula
|
MgCO3
|
|
gptkbp:cleavage
|
perfect rhombohedral
|
|
gptkbp:color
|
brown
gray
white
yellowish
|
|
gptkbp:crystalSystem
|
trigonal
|
|
gptkbp:Dana_classification
|
16a.03.01.01
|
|
gptkbp:discoveredIn
|
1808
|
|
gptkbp:event
|
ultramafic rocks
hydrothermal veins
sedimentary rocks
|
|
gptkbp:fluorescence
|
none
|
|
gptkbp:fracture
|
conchoidal
|
|
gptkbp:hardnessMohs
|
3.5–4.5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Magnesite
|
|
gptkbp:IMA_symbol
|
Mgs
|
|
gptkbp:luster
|
vitreous
dull
|
|
gptkbp:majorCity
|
gptkb:Austria
gptkb:Brazil
gptkb:China
gptkb:Russia
gptkb:Turkey
|
|
gptkbp:namedAfter
|
magnesium
|
|
gptkbp:opticalProperties
|
uniaxial (-)
|
|
gptkbp:radioactive
|
non-radioactive
|
|
gptkbp:refractiveIndex
|
nε = 1.700–1.715
nω = 1.509–1.700
|
|
gptkbp:solubility
|
soluble in acids
|
|
gptkbp:specificGravity
|
3.0–3.1
|
|
gptkbp:streak
|
white
|
|
gptkbp:Strunz_classification
|
5.AB.05
|
|
gptkbp:symmetry
|
Rc
|
|
gptkbp:transparency
|
translucent
transparent
|
|
gptkbp:unitCell
|
a = 4.623 Å, c = 15.01 Å; Z=6
|
|
gptkbp:uses
|
cement production
refractory material
source of magnesium
carbon dioxide sequestration
|
|
gptkbp:bfsParent
|
gptkb:National_Mineral_Development_Corporation
gptkb:The_Seated_Scribe
|
|
gptkbp:bfsLayer
|
6
|