/
Pyrite By Kerry McNally Pyrite By Kerry McNally

Pyrite By Kerry McNally - PowerPoint Presentation

mitsue-stanley
mitsue-stanley . @mitsue-stanley
Follow
342 views
Uploaded On 2020-01-12

Pyrite By Kerry McNally - PPT Presentation

Pyrite By Kerry McNally General Info Formula FeS 2 Colour Pale brassyellow Streak Greenishblack Lustre Metallic Hardness 6 6½ Specific Gravity 48 5 Crystal System Isometric Member of ID: 772607

gold pyrite occur rocks pyrite gold rocks occur www lock find

Share:

Link:

Embed:

Download Presentation from below link

Download Presentation The PPT/PDF document "Pyrite By Kerry McNally" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.


Presentation Transcript

Pyrite By Kerry McNally

General Info Formula: FeS2Colour: Pale brass-yellow Streak: Greenish-blackLustre: MetallicHardness: 6 - 6½ Specific Gravity: 4.8 - 5Crystal System: IsometricMember of: Pyrite GroupTransparency: OpaqueFracture: Irregular/Uneven, Conchoidala

Arsenopyrite Feather Pyrite Auriferous Pyrite

Pyrite Group Aurostibite : AuSb2Hauerite: MnS2Laurite: RuS2 Villamaninite:(Cu,Ni,Co,Fe)S2

History of Pyrite AKA: Fools Gold Iron Disulfide “ Pyr” – Greek for fireWas mistaken for gold, due to colorWas found in prehistoric burial grounds and was used to start fires. Historically used in wheel-lock/flint lock guns

Where to Find Pyrite Found under varied conditionsAccessory mineral in igneous rocks, often found with quartz and other sulfide mineralsIn sedimentary rocks, often found in shale and limestone Large deposits occur in metamorphic rocks such as schists or slates

Where to Find Pyrite Cont.

Uses of Pyrite Originally used as source of sulfurNow sulfur is obtained as a biproduct of oil and gas processing Nowadays used as a gemstone Beads, CabochonsCan be used to get gold Pyrite and gold can occur in the same rock

References https://www.mindat.org/min-3314.htmlhttps://www.britannica.com/science/pyritehttps://geology.com/minerals/pyrite.shtml