Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Molybdenite from
Petrick pegmatite, Kingsland Granite Company Quarry (Petrick Quarry), Llano County, Texas, USA


08032240017367521722153.jpg
Molybdenite, etc.

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
02543440017272029547633.jpg
Molybdenite, etc.

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
08608070017272029544298.jpg
Molybdenite

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
07155710017272029556903.jpg
Molybdenite

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
07034810017362214306911.jpg
Molybdenite, etc.

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
02543440017272029547633.jpg
Molybdenite, etc.

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
02737190017367521743727.jpg
Molybdenite

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
07155710017272029556903.jpg
Molybdenite

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
02788610017367521758865.jpg
Molybdenite, etc.

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
02543440017272029547633.jpg
Molybdenite, etc.

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
08608070017272029544298.jpg
Molybdenite

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
07155710017272029556903.jpg
Molybdenite

Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA
Locality type:Pegmatite
Classification
Species:Molybdenite
Formula:MoS2
Habit:Foliated books and 5-15 mm thick veins in decomposed granite
Colour:Lustrous metallic bluish gray
Luminescent properties:None
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals:
Associates:Powellite
Associated Minerals Based on Photo Data:
Microcline3
Data
Mineral Data:Click here to view Molybdenite data
Locality Data:Click here to view Petrick pegmatite, Kingsland Granite Company Quarry (Petrick Quarry), Llano County, Texas, USA
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:400380
Long-form Identifier:1:3:400380:9
GUID (UUID V4):0
References
Self-collected by Franklin Roberts.
Arthur Smith, Frank Roberts, Denise Bicknell (2008) Mineral News, 24, #1, 6-7.
 
and/or  
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