Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Malachite from
Billings Northwest [1], Grant County, Oklahoma, USA


Locality type:Gully
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Formation:Secondary
Comments:Occurs as small nodules or powder within the shale. Seems to be more likely to be malachite in higher layers vs azurite, but both occur alongside each other occasionally. Noted on petrified wood believed to be secondary to alteration of chalcocite.
Habit:Botryoidal
Colour:Light green
Abundance at site:Very common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Azurite1
Chalcocite1
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Billings Northwest [1], Grant County, Oklahoma, USA
Data Identifiers
Mindat Occurrence Record ID:1110064
Long-form Identifier:1:3:1110064:3
GUID (UUID V4):0
Nearest other occurrences of Malachite
9.9km (6.1 miles) ⓘSalt Fork, Grant County, Oklahoma, USA
35.5km (22.1 miles) ⓘPerry North [1], Perry, Noble County, Oklahoma, USA
40.2km (25.0 miles) ⓘPerry [1], Perry, Noble County, Oklahoma, USA
42.8km (26.6 miles) ⓘGreasy Creek, Noble County, Oklahoma, USA
49.2km (30.6 miles) ⓘMorrison North [1], Pawnee County, Oklahoma, USA
50.0km (31.1 miles) ⓘPerry Southeast [2], Perry, Noble County, Oklahoma, USA
50.1km (31.1 miles) ⓘPerry Southeast [1], Perry, Noble County, Oklahoma, USA
53.1km (33.0 miles) ⓘLela Northeast [1], Pawnee County, Oklahoma, USA
53.6km (33.3 miles) ⓘMorrison Southwest, Morrison, Noble County, Oklahoma, USA
54.6km (33.9 miles) ⓘMorrison, Noble County, Oklahoma, USA
References
Rylan Lopez Collection
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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