Silver or platinum nugget?

[Juice in the hole]

I'm cross-posting this from the "What is it?" section as I imagine you guys would be the experts on precious metals. I found this nugget today while metal detecting in my front yard here on our NC farm. Around the yard, I usually find pennies and dimes dropped by my fiancee's grandfather in years past, but today I got a strong "quarter" hit in the 82-84 range on my Whites VX3. After digging, cleaning and then some polishing this is what I have. It's about 1 1/4" long by 1/2" wide and fairly heavy. It cleaned up much nicer with the Mother's Mag polish than when it came out of the CLR bath as evidenced by the pics.

So is there a sure fire way to test for silver or platinum? Should I just take it to a jeweler? Anything else this could be? Thanks in advance for any info or insight.

 

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[DesertNuggets]

It's slag or some sort of melted metal. Not precious sorry.

 

[Juice in the hole]

Slag that registers a 82-84 VDI? That doesn't make sense to me. Why do most of the silver and almost all of the platinum nuggets I image search look exactly like this mystery object? I just did a test where you mark the bottom of a ceramic cup with the object and it looks to be silver.

Looks like I'm either going to order a test kit or take it to a jeweler.

 

[Goldwasher]

its been in a fire....Homesite fires make interesting nuggets. it could be part of a melted fork for all you know. Do u have a torch? hit it with some heat. It could be lead/pewter. It will melt very quickly if it isn't precious. ( be careful)

 

[Hoser John]

Drop in vinegar over night,if violet red in the am-silver. 1 drop of nitric will not hurt pt but black on silver-John

 

[DesertNuggets]

Slag that registers a 82-84 VDI? That doesn't make sense to me. Why do most of the silver and almost all of the platinum nuggets I image search look exactly like this mystery object? I just did a test where you mark the bottom of a ceramic cup with the object and it looks to be silver.

Looks like I'm either going to order a test kit or take it to a jeweler.

Slag can be melted anything. Car fire? Burned trash? Who knows.

Buying a gold/silver test is a good idea. It's always nice to have around.

Please let us know your results.

 

[AZADAM]

Sorry man.....keep on searching.... Definitely not native and has been melted, could be melted silver I suppose

 

[Lanny in AB]

I don't believe Platinum tarnishes like that.

Anyone know anything different?

All the best,

Lanny