Lot # 71 - Pyrite

Opening Bid : $ 5.00
Pickup Instructions: jan 25 10am
Start Date/Time: 02-Mar-2026 7:00:00 AM
End Date/Time: 09-Mar-2026 8:10:00 PM
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Description :

What Pyrite Is

Pyrite is an iron sulfide mineral(FeS₂) and one of the most common metallic minerals on Earth. Its brassy color and bright reflectivity are what earned it the nickname.

What Stands Out in Your Specimen

  • Metallic lusterthat catches light from every angle

  • Sparkling, granular texturerather than large cubes

  • Brassy gold color, though sometimes with subtle silvery tones

  • Massive form, meaning it grew in a dense cluster rather than distinct crystals

Pyrite can form perfect cubes, octahedra, or pyritohedra, but it also appears in these glittering, compact masses—especially in sedimentary and metamorphic environments.

How It Forms

Pyrite develops in:

  • Hydrothermal veins

  • Sedimentary layers rich in organic material

  • Metamorphic rocks

  • Coal seams and shale beds

It often grows where sulfur and iron are abundant and oxygen is limited.

Why People Collect It

  • The shine is irresistible

  • It’s durable and displays well

  • It forms an incredible variety of shapes

  • It’s a classic teaching mineral for identifying metallic luster and sulfides


    Disclaimer: All identifications are based solely on visual examination of the photographs provided. I do my best to describe each specimen accurately, but I am not a certified geologist, and some assessments may be incorrect. Buyers should review the images carefully and verify details independently.


Dimensions : 2-3 in L

Auction History

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