Pumpellyite Subgroup
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/pumpellyite-subgroup/" 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/pumpellyite-subgroup/Add a dynamic SVG badge to your README or docs.
[](https://gemfyi.com/entity/pumpellyite-subgroup/)Use the native HTML custom element.
Add one script tag to your page:
<div data-gemfyi="entity" data-slug="pumpellyite-subgroup"></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/pumpellyite-subgroup/?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/zh-hans/gems/pumpellyite-subgroup/
Shields.io-compatible SVG badge:
Web Component:
<gemfyi-entity slug="pumpellyite-subgroup"></gemfyi-entity>
<script src="https://cdn.jsdelivr.net/npm/gemfyi-embed@1/dist/embed.min.js" defer></script>
Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.0 – 6.0
Specific Gravity
3.2 – 3.3
Refractive Index
1.674 – 1.764
Color
various
Birefringence
0.014
Mohs Hardness
| Mohs | Reference mineral | Pumpellyite Subgroup |
|---|---|---|
| 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 Pumpellyite Subgroup
Blue Nile
Fine jewelry retailer
James Allen
Gemstone jewelry
Brilliant Earth
Ethically sourced gems
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
About Pumpellyite Subgroup
葡萄榴石（泵石组）是一组含钙铁铝镁的层状硅酸盐矿物，颜色通常呈深绿至蓝绿色，有时为棕色，半透明至不透明，常呈细粒放射状集合体。泵石组矿物是低级变质作用的重要标志矿物，主要形成于低温低压变质岩（如绿片岩）中，也见于热液矿脉和玄武岩气孔中。尽管部分泵石组矿物颜色鲜艳，但因硬度较低、晶体微小，宝石切割应用极少，主要作为变质相研究的矿物学标本，在地质学上具有重要的变质温压计意义。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Pumpellyite Subgroup?
葡萄榴石（泵石组）是一组含钙铁铝镁的层状硅酸盐矿物，颜色通常呈深绿至蓝绿色，有时为棕色，半透明至不透明，常呈细粒放射状集合体。泵石组矿物是低级变质作用的重要标志矿物，主要形成于低温低压变质岩（如绿片岩）中，也见于热液矿脉和玄武岩气孔中。尽管部分泵石组矿物颜色鲜艳，但因硬度较低、晶体微小，宝石切割应用极少，主要作为变质相研究的矿物学标本，在地质学上具有重要的变质温压计意义。
What is the hardness of Pumpellyite Subgroup?
Pumpellyite Subgroup has a Mohs hardness of 5.0 to 6.0, making it moderate for use in jewelry.
What color is Pumpellyite Subgroup?
Pumpellyite Subgroup is primarily Various.
How much does Pumpellyite Subgroup cost?
Pumpellyite Subgroup falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
How do you care for Pumpellyite Subgroup?
Pumpellyite Subgroup is moderately durable and best suited for earrings, pendants, and brooches. Avoid ultrasonic cleaners and harsh chemicals.