Mother of Pearl
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://gemfyi.com/iframe/entity/mother-of-pearl/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://gemfyi.com/entity/mother-of-pearl/Add a dynamic SVG badge to your README or docs.
[](https://gemfyi.com/entity/mother-of-pearl/)Use the native HTML custom element.
Add one script tag to your page:
<div data-gemfyi="entity" data-slug="mother-of-pearl"></div>
<script src="https://cdn.jsdelivr.net/npm/gemfyi-embed@1/dist/embed.min.js" defer></script>
Embed as an iframe:
<iframe src="https://gemfyi.com/iframe/entity/mother-of-pearl/?style=modern&theme=light" width="420" height="400" frameborder="0" loading="lazy" style="border:0;border-radius:10px;max-width:100%"></iframe>
Paste the URL in WordPress, Medium, or Ghost:
https://gemfyi.com/ja/gems/mother-of-pearl/
Shields.io-compatible SVG badge:
Web Component:
<gemfyi-entity slug="mother-of-pearl"></gemfyi-entity>
<script src="https://cdn.jsdelivr.net/npm/gemfyi-embed@1/dist/embed.min.js" defer></script>
Physical & Optical Properties
Category
Organic Gems
Mohs Hardness
2.5 – 4.5
Specific Gravity
2.65 – 2.87
Refractive Index
1.53 – 1.69
Luster
Pearly
Color
various
Birefringence
0.16
Mohs Hardness
| Mohs | Reference mineral | Mother of Pearl |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | |
| 3 | Calcite | ● |
| 4 | Fluorite | ● |
| 5 | Apatite | |
| 6 | Orthoclase | |
| 7 | Quartz | |
| 8 | Topaz | |
| 9 | Corundum | |
| 10 | Diamond |
Value & Market
Price Tier
Budget (< $50/ct)
Where to Buy Mother of Pearl
Links may earn a commission at no extra cost to you.
About Mother of Pearl
真珠層（マザーオブパール、ナクレ）は軟体動物の貝殻内部の虹色の裏張りで、アラゴナイト小板とコンキオリンタンパク質の交互層が薄膜光干渉によって壮麗な虹色を生み出します。先史時代から海産・淡水産の二枚貝やアワビから採集され、ジュエリーの象嵌・ボタン・装飾品・寄木細工の書き台として広く使われてきました。主要な商業産地にはペルシャ湾・オーストラリア・フランス領ポリネシア・フィリピンがあり、真珠貝は真珠層と真珠の両方のために養殖されています。
On this page
Jewelry Use
Durability
1/10
Science FYI Family
Frequently Asked Questions
What is Mother of Pearl?
真珠層（マザーオブパール、ナクレ）は軟体動物の貝殻内部の虹色の裏張りで、アラゴナイト小板とコンキオリンタンパク質の交互層が薄膜光干渉によって壮麗な虹色を生み出します。先史時代から海産・淡水産の二枚貝やアワビから採集され、ジュエリーの象嵌・ボタン・装飾品・寄木細工の書き台として広く使われてきました。主要な商業産地にはペルシャ湾・オーストラリア・フランス領ポリネシア・フィリピンがあり、真珠貝は真珠層と真珠の両方のために養殖されています。
What is the hardness of Mother of Pearl?
Mother of Pearl has a Mohs hardness of 2.5 to 4.5, making it relatively soft for use in jewelry.
What color is Mother of Pearl?
Mother of Pearl is primarily Various.
How much does Mother of Pearl cost?
Mother of Pearl falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
How do you care for Mother of Pearl?
Mother of Pearl is relatively soft and should be handled with care. Store separately from harder gemstones to prevent scratching.