Selenium, 99.99% (4N)

Name: Selenium, 99.99% (4N)
Brand: Kazakh Elements
SKU: selenium

Gray crystalline selenium pieces with a dull metallic sheen.

Se · SeleniumPure Metal

Price

From: $20

$311.11/kg this listing (90 g)ledger $20.5 to $26.5/kg · mid $22 · 3 records (nearest form) · medium confidence

Positioned against the site's sourced reference ledger (retail tier) via the price-gauge engine, at the listing's median pack size.

Size	Mass (g)	Price	Per gram
25 g	25	$20	$0.80/g
50 g	50	$24	$0.48/g
90 g	90	$28	$0.31/g
250 g	250	$38	$0.15/g
450 g	450	$48	$0.11/g

Origin & provenance

Origin	Kazakhstan (KZ)
Source	Private Collection
Acquired	—
Chain	Kazakh Elements retail stock (periodictech.com catalog) Imported to the lanthanides.io marketplace2026-07-28

Specifications

Attribute	Value
Element(s)	Se
Purity	99.99% (4N)
Form	crystalline pieces
Packaging	sealed bag
Origin	Kazakhstan

Description

This is the gray crystalline form of selenium, the stable one, with a dull metallic sheen on the fracture faces. Selenium conducts electricity far better in light than in darkness, the property that once ran photocells and photocopier drums.

Specs: • Purity: 99.99% (4N) • Form: crystalline pieces • Packaging: sealed bag • Origin: Kazakhstan

Seller

Kazakh ElementsVerified

Kazakhstan (KZ) · Member since Mar 11, 2026 · 19 listings

Rare-earth and specialty-metal samples, sealed and shipped from stock.

How buyer protection works

Every item is photographed before dispatch. On arrival, photograph the sealed parcel and take a short video of the unboxing; any mismatch is settled against the published specification with that documentation.

The seller’s store operates a 30-day return-by-mail policy, and payment is settled directly with the seller.

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