Name/Title
Rainbow HematiteEntry/Object ID
2004.1.80Description
Chemical Composition: Fe2O3, Iron Oxide
Crystal System: Tetragonal System
Description: Common Name: Hematite
Group Name: Oxides
Chemistry: Fe2O3, Iron Oxide
Location: Cumbria, England, United kingdom
Description: Black and rainbowcolored Looks like gun metal.
PHYSICAL CHARACTERISTICS:
Color is steel or silver gray to black in some forms and red to brown in earthy forms. Sometimes tarnished with iridescent colors when in a hydrated form (called Turgite).
Luster is metallic or dull in earthy and oolitic forms.
Transparency: Crystals are opaque.
Crystal System is trigonal; bar 3 2/m
Crystal Habits include tabular crystals of varying thickness sometimes twinned, micaceous (specular), botryoidal and massive. also earthy or oolitic.
Cleavage is absent. However, there is a parting on two planes.
Fracture is uneven.
Hardness is 5 - 6
Specific Gravity is 5.3 (slightly above average for metallic minerals)
Streak is blood red to brownish red for earthy forms.
Associated Minerals include jasper (a variety of quartz) in banded iron formations (BIF or Tiger Iron), dipyramidal quartz, rutile, and pyrite among others. .
Best Field Indicators are crystal habit, streak and hardness
Fracture: uneven
Hardness: 5 Apatite
Luster: Metallic
Occurrence: Notable Occurrences especially nice specimens come from England, Mexico, Brazil, Australia and the Lake Superior region
Rock Type: Sedimentary
Specific Gravity: 5.3
Streak: brown
Variety: Hematite has several varieties, each with their own unique names.
Hematite Rose is a circular arrangment of bladed crystals giving the appearance of the flower of a rose.
Tiger Iron is a sedimentary deposit of approximately 2.2 billion years old that consists of alternating layers of silver gray hematite and red jasper, chert or even tiger eye quartz.
Kidney Ore is the massive botryoidal form and gives the appearance of lumpy kidney-like masses.
Oolitic Hematite is a sedimentary formation that has a reddish brown color and an earthy luster and is composed of small rounded grains.
Specularite is a micaceous or flaky stone that is sparkling silver gray and sometimes used as an ornamental stone.Collection
Suomynona Mineral CollectionAcquisition
Accession
2004.1Source or Donor
Suomynona Mineral CollectionAcquisition Method
DonationDimensions
Width
1-3/4 inDepth
3 inLength
7-3/4 inDimension Notes
Dimension taken at widest pointsLocation
Category
PermanentMoved By
Curtis GardnerDate
May 25, 2023Notes
Added current locationLocation
Drawer
NW cornerShelf
top, topWall
South CenterHallway
Discovery HallBuilding
Crater Rock MuseumCategory
PermanentMoved By
Scott LonganDate
August 26, 2009Location
Cabinet
Case #56Wall
CenterBuilding
Freida Smith HallCategory
Permanent