Search found 78 matches

by Iskandarman
Sat Feb 09, 2019 3:57 am
Forum: Cutting Opal
Topic: Wonogiri common opal from Indonesia.
Replies: 3
Views: 777

Re: Wonogiri common opal from Indonesia.

Finished common opals
by Iskandarman
Sat Feb 09, 2019 2:09 am
Forum: Cutting Opal
Topic: Wonogiri common opal from Indonesia.
Replies: 3
Views: 777

Re: Wonogiri common opal from Indonesia.

Purchase from the miner. Cheap but mostly milky white and transparent dark green. I found small hyalite welded together with green opal :)
by Iskandarman
Thu Feb 07, 2019 12:09 pm
Forum: Cutting Opal
Topic: Wonogiri common opal from Indonesia.
Replies: 3
Views: 777

Wonogiri common opal from Indonesia.

Got these today... Very dark transparent green, white and honey opals from Manggal hill, Tirtomoyo, Wonogiri, Indonesia.
It is worth to cut into cabochon?
by Iskandarman
Thu Feb 07, 2019 11:43 am
Forum: Enthusiast Zone
Topic: Rare Opal Contains Trapped Insect
Replies: 4
Views: 737

Re: Rare Opal Contains Trapped Insect

Yeah.. That's Banten opal!! Its means the insect is 3-4 million years old because they deposited in Genteng formation layer.
by Iskandarman
Thu Jan 10, 2019 3:31 am
Forum: Gemstone Photography
Topic: Share Your Gemstone Photographs!
Replies: 34
Views: 15589

Re: Share Your Gemstone Photographs!

Gemstones from Malaysia
by Iskandarman
Thu Jan 10, 2019 3:08 am
Forum: Expert Q&A
Topic: Green Fire opal exist?
Replies: 10
Views: 2421

Re: Green Fire opal exist?

Actually its not Banten but came from altitude 660m at Manggal hill, Wonogiri at the East Java while the Banten precious opal inside watery pit mine at the West Java. They are similar to Virgin valley precious and the Juniper ridge opal. (hehehe i never seen american opal on my hand except the owyhe...
by Iskandarman
Sat Jan 05, 2019 1:40 am
Forum: Expert Q&A
Topic: Green Fire opal exist?
Replies: 10
Views: 2421

Re: Green Fire opal exist?

Thanks, the raw...
It help me a lot for the classification.
by Iskandarman
Fri Jan 04, 2019 12:32 pm
Forum: Expert Q&A
Topic: Green Fire opal exist?
Replies: 10
Views: 2421

Re: Green Fire opal exist?


Yess... At last i can share the video.
Not yet test.
by Iskandarman
Fri Jan 04, 2019 12:23 pm
Forum: Gemstone Photography
Topic: Share Your Gemstone Photographs!
Replies: 34
Views: 15589

Re: Share Your Gemstone Photographs!

Orange vs Green fire opal from Indonesia. Both are translucent and from similar location Manggal hill, Wonogiri, Indonesia. These gemmy pieces are actually very rare compare to the other famous fire opal.