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Post your fossils, minerals and crystals


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3 hours ago, Sulla80 said:

Occaisionally I have experimented with rocks and fossils for staging coins :

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Gorgeous!  I don't recognize the beautiful coin.  Massalia? Can I see both sides?

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Here is an interesting one. The face has been polished, but the rest is left in the rough. The larimar is translucent and glows when a light source is placed behind it.

Larimar.jpg.f06a1ea6b895a9880c3a7a0abb834bb5.jpg

LARIMAR
Larimar is a very rare type of silicate mineral pectolite that is found only in a small area in the Dominican Republic. It was first discovered in 1916, but not commercially mined until the 1970’s. It is celebrated for its beautiful hazy-blue color and patterns reminiscent of the sparkling ocean – fitting for a stone unique to the Caribbean.
Specimen information:
Size: Approx. 44x29mm, 14mm thick
Weight: 14.42g

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Posted · Supporter

Someday I'd like to collect a lot more minerals, precious, and semi-precious rough gems.  

Here's a very nice pyrite specimen I splurged on a while back.  3.85 x 3.41 x 2.9 cmPyrite.jpg.09a038a1f2cc6597fabecc21b6b0755f.jpg

Chelyabinsk meteorite, whole specimen with fusion crust.
Chelyabinsk1.JPG.5bf5aeb331834e71ae8316480e1c06ae.JPG

Chelyabinsk10.jpg.da2b968d844629103912d60aff2d08c0.jpg

Two polished slices of the Esquel palasite meteorite, purchased from Bob Haag.  Love these huge chunks of olivine.  Peridot from outer space... so cool 😍.  
A-Pi-On-Esquel.jpg.faa0c4897b21aac4087eae3759c3d5c8.jpg

EsquelSliceInSun.jpg.00d08ec49539a9e5fce7775d02985476.jpg

Some Welo opal rough (one of these days I'll try carving and polishing it):

WeloOpal.jpg.64ff2cadf18b412dbeaac3c3a984a010.jpg

WeloOpals.jpg.f99895456355d275490f8fa934ad8bd5.jpg



 

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Posted · Supporter

Some rough gemstones.

Beautiful tangerine-colored spessartite garnet, ranging from 5.7-9.5 carats:
SpessartiteGarnet.jpg.1daf34161f301f4adf377638045b0c82.jpg

A parcel of sapphires from Montana showing a terrific range of colors, the largest is 2.5 carats:
MontanaSapphireParcel.jpg.f720f528a39e9cc5d6c1ec74339295d3.jpg

Imperial topaz rough, pieces ~4-7 carats:
ImperialTopazRough.jpg.7536983ffd5c99d85a1a850c80e4eb7f.jpg

Some jewelry I made from rough tourmaline and 18k gold:
TourmalineIciclePendant.jpg.37817d746a503761ffeaae9ad0a45c07.jpg

TourmalineEarTwists2.jpg.9f6cfc383bdb7c67cbfecdf37f956ada.jpg

TourmalineEarTwists.jpg.b321c50ba42e6bcb53a2fb5223f669c3.jpg

 

Some rings I made with rough gemstones (and one cut apatite-- the stone was already faceted when I bought it).  Ruby, pink tourmaline, aquamarine, tsavorite.
RoughGemRings.jpg.cca2d3840851926f579e347b1914b390.jpg

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1 hour ago, CPK said:

@-monolith- those are simply stunning! I love the detail in the trilobite's eyes. And the minerals/crystals are beautiful as well. What exactly is the fourth one down from the top, the black shiny oblong piece?

#4 is a Tektite meteorite from Hunan, China site; and #7 is from the Campo Del Cielo meteorite site in Argentina and is a coarse iron (octahedrite) meteorite.

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1 hour ago, TIF said:

Someday I'd like to collect a lot more minerals, precious, and semi-precious rough gems.  

Here's a very nice pyrite specimen I splurged on a while back.  3.85 x 3.41 x 2.9 cmPyrite.jpg.09a038a1f2cc6597fabecc21b6b0755f.jpg

Chelyabinsk meteorite, whole specimen with fusion crust.
Chelyabinsk1.JPG.5bf5aeb331834e71ae8316480e1c06ae.JPG

Chelyabinsk10.jpg.da2b968d844629103912d60aff2d08c0.jpg

Two polished slices of the Esquel palasite meteorite, purchased from Bob Haag.  Love these huge chunks of olivine.  Peridot from outer space... so cool 😍.  
A-Pi-On-Esquel.jpg.faa0c4897b21aac4087eae3759c3d5c8.jpg

EsquelSliceInSun.jpg.00d08ec49539a9e5fce7775d02985476.jpg

Some Welo opal rough (one of these days I'll try carving and polishing it):

WeloOpal.jpg.64ff2cadf18b412dbeaac3c3a984a010.jpg

WeloOpals.jpg.f99895456355d275490f8fa934ad8bd5.jpg



 

TIF, The pyrite group is exquisite & the meteorite sensational 🤩!

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2 hours ago, -monolith- said:

Post your fossils, minerals and crystals. Here are a few of my rocks, minerals and meteorites:

 

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Wow, really nice fluorite and malachite/azurite pieces!

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Posted · Supporter

@TIF, those are spectacular! Funny, I have been vacillating on purchasing both a pyrite cube group and a Chelyabinsk meteorite. Your specimens are top-notch! Also, fantastic pallasite slice with gem-quality olivine. I've got a complete slice of the Springwater pallasite (purchased from Matt Morgan, Mile High Meteorites) I should post when I get the chance.

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On 7/27/2024 at 11:11 AM, TIF said:

Gorgeous!  I don't recognize the beautiful coin.  Massalia? Can I see both sides?

Yes Massalia, one I no longer own, as I sold off a few coins a few years ago.  I have been shedding coins as my interests evolve - some of my RR denarii are in tonight's HA.com auction.

GaulMassaliaLion.jpg.29e0d6d3a070598cc0ec1ab798350e42.jpg

Here's another one that I do own:

Notes here: https://www.sullacoins.com/post/massalia

MassaliaDrachm.jpg.01f50f8cce058427a709de6b8e1305d4.jpg

Edited by Sulla80
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Posted · Supporter

Pallasite meteorites are truly otherworldly in their appearance and beauty. Here is my own humble specimen, a complete slice from the Springwater meteorite. With a total known mass of only about 260 lbs, and much of that in museums, specimens from this particular meteorite are fairly scarce on the market.

SpringwaterPallasiteMeteorite.jpg.c031fed2ce4c568dd8e2afc3d9151f5b.jpg

SPRINGWATER PALLASITE METEORITE

Pallasites (named after German naturalist Peter Pallas) are a sub-class of stony-iron meteorites which are composed of semi-translucent yellow-green olivine crystals embedded in an iron-nickel matrix. They are very rare, accounting for only about 0.2% of all classified meteorites, and when sliced in cross section to reveal their internal composition, are visually the most spectacular of all meteorites.

Just how pallasites are formed is still debated, but one theory is that they are impact-generated from a mixture of the core and mantle material of colliding asteroids.

This specimen is a complete slice from the Springwater pallasite, so called because it was discovered near Springwater, Saskatchewan, in 1931. The total known mass of this meteorite is about 260 pounds, including one piece weighing 117 pounds that was found in 2009 and is now in the Royal Ontario Museum in Toronto, Canada. The Springwater pallasite is known for its well-rounded olivine crystals, which are evident in this specimen.

Specimen information:

Size: 39x18mm, approx. 3mm thick

Weight: 5.95g

Provenance: Purchased from Matt Morgan (Mile High Meteorites)

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