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oil in quartz

As the name suggests, oil-in-quartz is a gemstone with oil inside the quartz. The color of the oil is often neon yellow, but there are also colorless ones. This oil is actually petroleum, and when exposed to a black light, it fluoresces neon blue. Some of them have moving bubbles.

Karatz GemMagazine
" Oil in Quartz "

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パキスタン産オイルインクォーツ 0.353ctルース

[On Sale at 10 PM on October 8th] Pakistani Oil-in-Quartz 0.353ct Loose Stone (Faceted) Sale price¥8,800
[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery

[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery Sale price¥6,980
[Available at 10 PM on August 11th] Limited to 10 stones: Pakistani Oil-in-Quartz (Moving Bubbles) - Single Loose Stone (Multiple Purchase Discounts Available)

[Available at 10 PM on August 11th] Limited to 10 stones: Pakistani Oil-in-Quartz (Moving Bubbles) - Single Loose Stone (Multiple Purchase Discounts Available) Sale price¥2,980
Limited to 12 stones, Pakistani oil in quartz, moving bubbles, 1 loose stone, multiple purchase discounts available

Limited to 12 stones, Pakistani oil in quartz, moving bubbles, 1 loose stone, multiple purchase discounts available Sale price¥4,980
Limited to 9 stones [Mr. Sanjay] Oil in quartz, spinel, yellow opal 1 loose stone (damaged) [Multiple purchase discount available]

Limited to 9 stones [Mr. Sanjay] Oil in quartz, spinel, yellow opal 1 loose stone (damaged) [Multiple purchase discount available] Sale price¥2,980
オイルインクォーツ 0.438ctルース

Pakistani Oil in Quartz 0.438ct Loose Stone Sale price¥9,800
パキスタン産オイルインクォーツ 0.528ctルース

Pakistani Oil in Quartz 0.528ct Loose Stone Sale price¥9,800
パキスタン産オイルインクォーツ 0.442ctルース

Pakistani Oil in Quartz 0.442ct Loose Stone Sale price¥9,800
パキスタン産オイルインクォーツ 0.283ctルース

Pakistani Oil in Quartz 0.283ct Loose Stone Sale price¥7,980
パキスタン産オイルインクォーツ 0.328ctルース

Pakistani Oil in Quartz 0.328ct Loose Stone Sale price¥8,800
Pakistani Oil in Quartz 1.337ct Loose Stone (Moving Bubbles)

Pakistani Oil in Quartz 1.337ct Loose Stone (Moving Bubbles) Sale price¥19,800
マダガスカル産オイルインクォーツ1石ルース（近年発見の新しい産地,平均28ct）《複数購入割引有》

[Limited to 7 stones] 1 loose oil-in-quartz stone from Madagascar (new locality discovered in recent years, average 28ct) [Multiple purchase discounts available] Sale price¥8,800
Pakistani Oil in Quartz 0.651ct Loose Stone

Pakistani Oil in Quartz 0.651ct Loose Stone Sale price¥9,800
Pakistani oil-in quartz 0.595ct loose

Pakistani oil-in quartz 0.595ct loose Sale price¥8,800
Pakistani Oil in Quartz 0.443ct Loose Stone

Pakistani Oil in Quartz 0.443ct Loose Stone Sale price¥6,980
マダガスカル産オイルインクォーツ 24.653ct原石

Oil-in-quartz 24.653ct rough stone from Madagascar Sale price¥9,800
マダガスカル産オイルインクォーツ 31.973ct原石

Oil-in-quartz 31.973ct rough stone from Madagascar Sale price¥12,800
マダガスカル産オイルインクォーツ 30.677ct原石

Oil-in-quartz 30.677ct rough stone from Madagascar Sale price¥12,800
オイルインクォーツ 22.073ct原石

Oil-in-quartz 22.073ct rough stone from Madagascar Sale price¥6,980
Pakistani oil-in quartz 0.325ct loose (facet cut, bubble moving type)

Pakistani oil-in quartz 0.325ct loose (facet cut, bubble moving type) Sale price¥9,800
パキスタン産オイルインクォーツ 0.361ctルース

Pakistani oil-in quartz 0.361ct loose Sale price¥11,000
パキスタン産オイルインクォーツ 0.535ctルース

Pakistani oil-in quartz 0.535ct loose Sale price¥18,800
Sold out 1 stone loose quartz in oil from Pakistan《Discount available for multiple purchases》

1 stone loose quartz in oil from Pakistan《Discount available for multiple purchases》

Sold out Pakistani Oil in Quartz 0.235ct Loose Stone

Pakistani Oil in Quartz 0.235ct Loose Stone
Sold out パキスタン産オイルインクォーツ 0.629ct原石（双子・気泡が動くタイプ）

Oil-in-quartz 0.629ct rough stone from Pakistan (twins, moving bubble type)

Sold out 【桔梗カット】オイルインクォーツ 4.010ctルース - カラッツSTORE

[Kikyo cut] Oil-in quartz 4.010ct loose [Shimizu Precious Stone Representative Yukio Shimizu] Patch included

Sold out 【桔梗カット】オイルインクォーツ 20.940ctルース（虹入） - カラッツSTORE

[Kikyou cut] Oil-in quartz 20.940ct loose [Shimizu Precious Stone Representative Yukio Shimizu]

Sold out パキスタン産オイルインクォーツ 0.427ctルース

Pakistani oil-in quartz 0.427ct loose (type with moving bubbles)

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