Comments on: Pioneer Diamond Tender House “Pink Diamond” https://24hourdiamondnews.com/pioneer-diamond-tender-house/diamond-tenders/ Learn About Diamonds with 24/7 Diamond News Updates Wed, 19 Jul 2023 04:52:18 +0000 hourly 1 https://wordpress.org/?v=6.5.3 By: admin https://24hourdiamondnews.com/pioneer-diamond-tender-house/diamond-tenders/#comment-33 Wed, 28 Jun 2023 00:19:44 +0000 https://24hourdiamondnews.com/?p=2274#comment-33 Type II diamonds have no measurable nitrogen impurities. Type II diamonds absorb in a different region of the infrared, and transmit in the ultraviolet below 225 nm, unlike Type I diamonds.
They also have differing fluorescence characteristics. The crystals as found tend to be large and irregular in shape. Type II diamonds were formed under extremely high pressure for longer time periods.

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