# PiperCoordinates

> Piper diagram position of a sample. Percentages are meq % (0–100).

> **PiperCoordinates** = `object`

Piper diagram position of a sample. Percentages are meq % (0–100).

## Properties

### anions

> **anions**: `object`

#### cl

> **cl**: `number`

#### hco3\_co3

> **hco3\_co3**: `number`

#### so4

> **so4**: `number`

***

### cations

> **cations**: `object`

#### ca

> **ca**: `number`

#### mg

> **mg**: `number`

#### na\_k

> **na\_k**: `number`

***

### diamond

> **diamond**: `object`

Point in the central diamond, in a unit-side rhombus frame: bottom vertex
(0, 0) = 100 % Na+K and 100 % HCO₃+CO₃; left (−0.5, √3/2) = Ca+Mg /
HCO₃+CO₃; right (0.5, √3/2) = Na+K / Cl+SO₄; top (0, √3) = Ca+Mg /
Cl+SO₄.

#### x

> **x**: `number`

#### y

> **y**: `number`