SKU: 898719738

Smoky quartz cluster with black tourmaline and hyalite

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Description

Smoky quartz cluster with black tourmaline and hyaliteLocale: Erongo Mountain, Namibia Approx dimensions: 4. 5 x 3. 5 x 3" Approx weight: 488g ** Loose piece on underside The top of this specimen is a smoky quartz cluster, perched on an aggregate of black tourmaline and irregular shards of smoky quartz, coated in hyalite. The largest smoky quartz crystal in this cluster is 3" with lighter color, good clarity, and a faint phantom. The black tourmaline (schorl) is mostly poorly developed, but there is one

Locale: Erongo Mountain, Namibia

Approx dimensions: 4.5 x 3.5 x 3"

Approx weight: 488g

** Loose piece on underside

 

The top of this specimen is a smoky quartz cluster, perched on an aggregate of black tourmaline and irregular shards of smoky quartz, coated in hyalite. The largest smoky quartz crystal in this cluster is 3" with lighter color, good clarity, and a faint phantom. The black tourmaline (schorl) is mostly poorly developed, but there is one small well-formed crystal nestled in the smoky quartz crystal, featuring the classic trigonal 'Mercedes' termination characteristic of Erongo material.

Smoky quartz from the Erongo region is typically a quite dark brown-black color, with lower clarity due to natural inclusions, and a flat surface luster caused by etching. It grows sculptural elongated and angular points with nice striations.

Smoky quartz gets its dark coloration from trace elements that tint dark when the quartz is exposed to natural radiation. Don’t worry, the specimen can't expose you to radiation—even if the hyalite turns "radioactive" green under UV light due to trace elements of uranium.

Hyalite is a form of opal, which in turn is part of the broader quartz family. Related minerals commonly grow together because they have similar requirements for growth: in this case, the availability of silica that is the basis for the quartz family. Growing conditions that initially produced quartz changed, and a later generation of growth deposited the less common hyalite on the specimen.

Hyalite displays botryoidal growth (bunches of “grape-like” round crystals) with a glossy high luster like a layer of bubbles. I think it looks like mermaid caviar! Hyalite can appear fluid with formations that look like the splash from a drip frozen in place, or as if the edge has been peeled up away from the quartz like a tutu. The hyalite on this specimen may be "hidden" on the bottom, but it is lush with very clear large botryoidal hyalite. There are two spheres that are white at the center like snowballs trapped in the hyalite.

UV reactivity Hyalite is so strongly UV reactive that you can see it in sunlight. Under indoor lighting it is pale yellow to golden in color, but turns visibly greenish yellow when exposed to the UV in sunlight. 395nm UV fluoresces a strong green, with an icy blue undertone. Best viewed in darker conditions. 365nm UV fluoresces a strong yellowish-green color, generally visible even in bright lighting. No phosphorescence detected.

Loose piece: There is a shard of smoky quartz on the underside that is loose and will move around (you may hear a faint 'tink' sound like porcelain!). It is firmly wedged between crystals and doesn't seem in danger of falling out.

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SKU: 898719738

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SOCRATES
Lowell, US
★★★★★ 5
NICE AND STRETCHY
Color: Navy Blue, Size: 42
These pants are made of a material that seems durable and is definitely comfortable, and they have a stretch band at the waist that can comfortably accommodate many different belly girths-- from slim to portly. The waist also has a drawstring. I'd call these light weight pants, as the material is thin. They aren't baggy at all and fit the natural contours of an average male physique. The pants have two fairly deep front pockets and one small rear pocket that can easily fit a regular-sized wallet. But, I would not recommend carrying a wallet in the rear pocket, as, due to the depth of the pocket being only as deep as the wallet is long, it might slip out as you move around, sitting and rising. If nature calls, and you need to pee, you will have to pull your pants down and excite anyone in the immediate vicinity, as there is no opening, either buttoned or zippered, in the front of the pants. So, in that respect they are kind of like sweatpants. I'd call these pants good for inside the house or wearing on the street. I like them despite the lack of a fly, so I give 5 stars. I see lots of Chinese, Korean, and Japanese guys around who like to wear this type of pant, but these fit nicely for generally larger and more robust Caucasians type physiques as well. You don't have to worry about a belt or a broken fly zipper with these. Of course they are made in China, but due to their vast experience selling clothing to Americans, the manufacturers are well acquainted with big masculine American bodies and their needs.
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Reviewed in the United States on January 9, 2026
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Don B_12073
Phoenix, US
★★★★★ 5
Good product.
Color: Black, Size: 38
Good price and fits good. Would buy again
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Reviewed in the United States on June 4, 2026
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c. h. luke
Louisville, US
★★★★★ 4
Good fit
Color: Black, Size: 36
Comfortable and looks grey
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Reviewed in the United States on February 15, 2026
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SnowMan
West Palm Beach, US
★★★★★ 5
Perfect pants!
Color: Dark Gray, Size: 36
Absolutely wonderful pants that are so comfortable. I can travel in them or wear them as daily casual slacks for any event. I finally found pants that I enjoy that look great and are easy to care for. I’m gonna order more colors.
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Reviewed in the United States on May 29, 2026
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Carol A. Brown
Phoenix, US
★★★★★ 5
Great house pants
Color: Black, Size: 42
these pants are very comfortable and fit well. Perfect for the summer in the desert
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Reviewed in the United States on April 11, 2026

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