Name/Title
Malachite/DolomiteEntry/Object ID
2009.62.35Description
About Malachite
Formula: Cu2(CO3)(OH)2
Colour: Bright green, with crystals deeper shades of green, even very dark to nearly black; green to yellowish green in transmitted light.
Lustre: Silky, Earthy
Hardness: 3½ - 4
Specific Gravity: 3.6 - 4.05
Crystal System: Monoclinic
Member of: Rosasite Group
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About Dolomite
Formula: CaMg(CO3)2
Ca can exist in excess of up to 0.25 apfu in non-stoichiometric dolomite (Nascimento dos Santos et al., 2017).
Colour: Colourless, white, gray, reddish-white, brownish-white, or pink; colourless in transmitted light
Lustre: Vitreous, Sub-Vitreous, Resinous, Waxy, Pearly
Hardness: 3½ - 4
Specific Gravity: 2.84 - 2.86
Crystal System: Trigonal
Member of: Dolomite GroupCollection
RAGM Mineral CollectionDimensions
Height
5 inWidth
2-1/2 inDepth
1-1/2 inLength
3-1/4 inWeight
0.21 ozDimension Notes
Dimension taken at widest pointsLocation
Location
Shelf
CS-H-5Room
Curation StorageBuilding
Crater Rock MuseumCategory
StorageMoved By
Jillian Mather KettleyDate
April 1, 2025Location
Display Case
FS-9Room
Frieda Smith HallBuilding
Crater Rock MuseumCategory
ExhibitMoved By
Ian C.Date
January 29, 2025Notes
Location/inventory