Definition
Hawaiite is volcanic rock that resembles basalt. It is an olivine basalt with intermediate composition between alkali olivine and mugearite
History
Origin
Hawaii Islands
Discoverer
Joseph Iddings
Etymology
From Hawaii Islands
Class
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
Other Categories
Opaque Rock
Texture
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular
Color
Black, Brown, Light to Dark Grey
Maintenance
Less
Durability
Durable
Water Resistant
✔
✘
81% - Igneous Rocks Rocks have it !
Scratch Resistant
✔
✘
86% - Igneous Rocks Rocks have it !
Stain Resistant
✔
✘
66% - Igneous Rocks Rocks
Wind Resistant
✔
✘
49% - Igneous Rocks Rocks have it !
Acid Resistant
✔
✘
48% - Igneous Rocks Rocks
Appearance
Dull and Soft
Architecture
Interior Uses
Decorative Aggregates, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens
Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
Other Architectural Uses
Curbing
Industry
Construction Industry
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone
Medical Industry
-
Antiquity Uses
Artifacts
Other Uses
Commercial Uses
Creating Artwork, Sea Defence
Types
Volcanic rock
Features
Has High structural resistance against erosion and climate, Very fine grained rock
Archaeological Significance
Monuments
-
Famous Monuments
Easter Island in the Polynesian Triangle, Pacific Ocean
Sculpture
-
Famous Sculptures
-
Pictographs
-
Petroglyphs
-
Figurines
-
Fossils
Absent
Formation
Hawaiite is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes and reach the Earth's surface.
Composition
Mineral Content
Olivine, Plagioclase, Pyroxene
Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Transformation
Metamorphism
✔
✘
97% - Igneous Rocks Rocks have it !
Types of Metamorphism
Impact Metamorphism
Weathering
✔
✘
99% - Igneous Rocks Rocks have it !
Types of Weathering
Biological Weathering
Erosion
✔
✘
92% - Igneous Rocks Rocks
Types of Erosion
-
Physical Properties
Hardness
6
1
7
👆🏻
Grain Size
-
Fracture
Conchoidal
Streak
-
Porosity
Less Porous
Luster
-
Compressive Strength
37.40 N/mm2
Rank: 42 (Overall)
0.15
450
👆🏻
Cleavage
-
Toughness
-
Specific Gravity
-9999
0
8.4
👆🏻
Transparency
Opaque
Density
-9999 g/cm3
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
0.84 kJ/Kg K
Rank: 15 (Overall)
0.14
3.2
👆🏻
Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Deposits in Eastern Continents
Asia
India, Russia
Africa
South Africa
Europe
Iceland
Others
Hawaii Islands
Deposits in Western Continents
North America
Canada, USA
South America
Brazil
Deposits in Oceania Continent
Australia
-