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What is a Black Crystal Opal?
什么是黑水晶蛋白石?
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What is a black Crystal Opal A Black Crystal Opal is a unique and beautiful variation of a Black Opal. Black Crystal Opal is scarce and so unique. The base of the Opal is black, but it is translucent. A Black Crystal Opal must have a body tone of a Black Opal which is between N1 to N4.

Most Crystal Opals have a body tone of N5 to N7, as very few crystals can be termed ‘black crystal’. Do not be confused about Body Tone, it is not the brightness ranking or an indication of the bottom or base of the Opal. It refers to the overall Lightness or Darkness of the Opal.

Visual Differences of a Black Crystal Opal

Black Opals have black potch on the base, but Black Crystal Opal does not have potch on its base. They are also transparent to translucent when viewed with light coming through the Opal. Transparent Black Crystal Opals are clear and mostly clean without any potch or inclusions.

What is a Black Crystal Opal

Translucent Black Crystal Opals only allow some light to pass through and can have inclusions inside or a deep darker color. Opaque Opals that do not allow light to pass through are Black Opals not Black Crystal Opals.

By holding a Black Crystal Opal to the light, you will notice that it is not opaque like Black Opal or White Opal and is transparent but with deep dark body tone.

How was Black Crystal Opal formed?

Black Crystal Opals can form in seam Opal or Knobby Opals. Seam Opals are Opals formed on horizontal or vertical beds and are generally grey. Some small pockets maybe contain darker potch that may lie beside the Black Crystal Opal.

Black Crystal Opal can also form in knobby material, this is generally darker body tone color and forms in rock styled with color bars.

Sources

Australia - Natural Black Crystal Opal is mined in Lightning Ridge, Australia and only few pieces are found in south Australian Opal fields of Cooper Pedy and Mintabie.

Generally Lightning Ridge Black Crystal Opals are brighter than any other. Our cCystal Opal categories have Lightning Ridge Opals separate from other Opal fields for this reason.

VIEW OUR BLACK CRYSTAL OPALS

Black Crystal Opal Is Not the Following

Ethiopian Crystal Opal if smoked or dyed and treated has been called Black Crystal but this terminology is not correct. This type of Opal should be classified as Enhanced Opal. This Opal treatment may not last and the body tone is dark brown base and not body tone N1 to N4. Beware of anyone selling Smoked Ethiopian Opal as Black Opals.

Jewelry Settings

If a Crystal Opal that has been set into a ring or pendant has the back covered by either plastic or gluing potch to the back, then it is not a Black Crystal Opal. The correct terminology is enhanced Opal.

When buying a Black Crystal Opal ring it is best to turn the ring over and see if the back has been closed and covered in by metal. If it’s covered in it is safe to assume it is just a Crystal Opal enhanced with a backing. Enhanced Opal is mostly used in Opal inlay jewelry where the setting is painted black and the Opal is glued into the jewelry piece. Black Crystal Opals are ideal ring stones and make ideal engagement rings when set in white gold with Diamonds. They can be very bright and have the added individuality of being transparent.

SHOP FOR BLACK CRYSTAL OPALS

什么是黑色水晶蛋白石 黑水晶蛋白石是一种独特而美丽的黑欧泊的变种。黑水晶蛋白石稀缺而且独特。蛋白石的底座是黑色的,但它是半透明的。黑色水晶蛋白石必须具有黑色蛋白石的体色,其在N1到N4之间。

大多数水晶蛋白石的体色为N5至N7,因为很少有晶体可称为“黑色水晶”。不要对身体色调感到困惑,它不是亮度等级或者是蛋白石底部或底部的指示。它指的是蛋白石的整体亮度或黑暗度。

黑水晶蛋白石的视觉差异

黑欧泊在底座上有黑色的盆栽,但是黑色水晶蛋白石底座上没有黑色。当用光线通过蛋白石观察时,它们对半透明也是透明的。透明的黑色水晶蛋白石是清晰的,大多是干净的,没有任何potch或夹杂物。

什么是黑水晶蛋白石

半透明黑色水晶蛋白石只允许一些光通过,内部可能有夹杂物或深色。不允许光线通过的不透明蛋白石是Black Opals而不是Black Crystal Opals。

通过将黑色水晶蛋白石放在灯光下,您会注意到它不像Black Opal或White Opal那样不透明,并且是透明的,但是具有深黑色的身体色调。

黑水晶蛋白石是如何形成的?

黑色水晶蛋白石可以在接缝蛋白石或Knobby蛋白石中形成。 Seam蛋白石是在水平或垂直床上形成的蛋白石,通常是灰色的。一些小口袋可能包含可能位于黑水晶蛋白石旁边的较深的盆栽。

黑色水晶蛋白石也可以用多节材料制成,这通常是较暗的体色,并且在用摇滚风格的彩色条形成。

来源

澳大利亚 - 天然黑水晶蛋白石在澳大利亚的Lightning Ridge开采,在Cooper Pedy和Mintabie的南澳大利亚蛋白石油田中只发现了几块。

一般来说,Lightning Ridge黑色水晶蛋白石比其他任何一个都要亮。因此,我们的cCystal Opal类别将Lightning Ridge Opals与其他Opal字段分开。

查看我们的黑色水晶OPALS

黑水晶蛋白石不是以下

埃塞俄比亚水晶蛋白石,如果被熏制或染色和处理,被称为黑水晶,但这个术语是不正确的。这种蛋白石应归类为增强蛋白石。这种蛋白石治疗可能不会持续,并且身体色调是深棕色基础而不是身体色调N1至N4。谨防任何人将烟熏埃塞俄比亚蛋白石作为黑欧泊出售。

珠宝设置

如果已经镶嵌成戒指或吊坠的水晶蛋白石的背面被塑料或胶水背面覆盖,那么它就不是黑水晶蛋白石。正确的术语是增强蛋白石。

购买黑色水晶蛋白石戒指时,最好将戒指翻过来,看看背面是否已被关闭并被金属覆盖。如果它被覆盖,可以安全地假设它只是一个增强了背衬的水晶蛋白石。增强型蛋白石主要用于蛋白石镶嵌首饰,其中镶嵌黑色,蛋白石粘在首饰上。黑水晶蛋白石是理想的戒指石,当镶嵌钻石白金时,可制作理想的订婚戒指。它们可以非常明亮,并具有透明的附加个性。

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