Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture
From Tonale Pass, northern Italy, + -ite1
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Black, Brown, Light to Dark Grey, White
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
As Dimension Stone, Cement Manufacture, Cobblestones, Construction Aggregate, for Road Aggregate
Cemetery Markers, Creating Artwork
Is one of the oldest rock, Typically speckled black and white.
Archaeological Significance
When alkali feldspar is extracted from granite, it changes to granitoid and later, it becomes tonalite with quartz as major mineral.
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon
NaCl, CaO, MgO, Silicon Dioxide
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Medium to Fine Coarse Grained
Heat Resistant, Pressure Resistant, Water Resistant
Deposits in Eastern Continents
Finland, Germany, Italy, Romania, Sweden, Turkey
Deposits in Western Continents
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru
Deposits in Oceania Continent
New Zealand, South Australia, Western Australia
Learn more about Properties of Tonalite
What is Tonalite? In this section, we will learn more about properties of Tonalite i.e. physical and thermal properties. Physical properties of Tonalite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Tonalite is 185.00 N/mm2. Streak of Tonalite is bluish black while its cleavage is . Luster of Tonalite is subvitreous to dull and its fracture is conchoidal. Tonalite is opaque in nature. Know all about Tonalite, What is Tonalite, its composition, features, facts and reserves in next sections.
Know about Composition of Tonalite
What is Tonalite composed of? Get to know about composition of Tonalite here. Tonalite definition gives information about the Formation of Tonalite and its composition.The composition of Tonalite can be further divided into mineral and compound content. The mineral content of Tonalite rock includes Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon and The compound content of Tonalite rock includes NaCl, CaO, MgO, Silicon Dioxide. Almost all rocks undergo transformation process. Know all about Tonalite rock in next section.